21235438280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:412

約数の個数: 256

約数和(自身を含む): 57106944000

約数和(自身を除く): 35871505720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 71, 107, 134, 140, 142, 149, 214, 268, 280, 284, 298, 335, 355, 428, 469, 497, 535, 536, 568, 596, 670, 710, 745, 749, 856, 938, 994, 1043, 1070, 1192, 1340, 1420, 1490, 1498, 1876, 1988, 2086, 2140, 2345, 2485, 2680, 2840, 2980, 2996, 3745, 3752, 3976, 4172, 4280, 4690, 4757, 4970, 5215, 5960, 5992, 7169, 7490, 7597, 8344, 9380, 9514, 9940, 9983, 10430, 10579, 14338, 14980, 15194, 15943, 18760, 19028, 19880, 19966, 20860, 21158, 23785, 28676, 29960, 30388, 31886, 33299, 35845, 37985, 38056, 39932, 41720, 42316, 47570, 49915, 50183, 52895, 53179, 57352, 60776, 63772, 66598, 69881, 71690, 74053, 75970, 79715, 79864, 84632, 95140, 99830, 100366, 105790, 106358, 111601, 127544, 133196, 139762, 143380, 148106, 151940, 159430, 166495, 190280, 199660, 200732, 211580, 212716, 223202, 250915, 265895, 266392, 279524, 286760, 296212, 303880, 318860, 332990, 349405, 370265, 399320, 401464, 423160, 425432, 446404, 501830, 508999, 531790, 558005, 559048, 592424, 637720, 665980, 698810, 708793, 740530, 892808, 1003660, 1017998, 1063580, 1068181, 1116010, 1131953, 1331960, 1397620, 1417586, 1481060, 2007320, 2035996, 2127160, 2136362, 2232020, 2263906, 2544995, 2795240, 2835172, 2962120, 3543965, 3562993, 4071992, 4272724, 4464040, 4527812, 4961551, 5089990, 5340905, 5659765, 5670344, 7087930, 7125986, 7477267, 7923671, 8545448, 9055624, 9923102, 10179980, 10681810, 11319530, 14175860, 14251972, 14954534, 15847342, 17814965, 19846204, 20359960, 21363620, 22639060, 24807755, 28351720, 28503944, 29909068, 31694684, 35629930, 37386335, 39618355, 39692408, 42727240, 45278120, 49615510, 59818136, 63389368, 71259860, 74772670, 75840851, 79236710, 99231020, 142519720, 149545340, 151681702, 158473420, 198462040, 299090680, 303363404, 316946840, 379204255, 530885957, 606726808, 758408510, 1061771914, 1516817020, 2123543828, 2654429785, 3033634040, 4247087656, 5308859570, 10617719140, 21235438280]

約数ペア:

[(1, 21235438280), (2, 10617719140), (4, 5308859570), (5, 4247087656), (7, 3033634040), (8, 2654429785), (10, 2123543828), (14, 1516817020), (20, 1061771914), (28, 758408510), (35, 606726808), (40, 530885957), (56, 379204255), (67, 316946840), (70, 303363404), (71, 299090680), (107, 198462040), (134, 158473420), (140, 151681702), (142, 149545340), (149, 142519720), (214, 99231020), (268, 79236710), (280, 75840851), (284, 74772670), (298, 71259860), (335, 63389368), (355, 59818136), (428, 49615510), (469, 45278120), (497, 42727240), (535, 39692408), (536, 39618355), (568, 37386335), (596, 35629930), (670, 31694684), (710, 29909068), (745, 28503944), (749, 28351720), (856, 24807755), (938, 22639060), (994, 21363620), (1043, 20359960), (1070, 19846204), (1192, 17814965), (1340, 15847342), (1420, 14954534), (1490, 14251972), (1498, 14175860), (1876, 11319530), (1988, 10681810), (2086, 10179980), (2140, 9923102), (2345, 9055624), (2485, 8545448), (2680, 7923671), (2840, 7477267), (2980, 7125986), (2996, 7087930), (3745, 5670344), (3752, 5659765), (3976, 5340905), (4172, 5089990), (4280, 4961551), (4690, 4527812), (4757, 4464040), (4970, 4272724), (5215, 4071992), (5960, 3562993), (5992, 3543965), (7169, 2962120), (7490, 2835172), (7597, 2795240), (8344, 2544995), (9380, 2263906), (9514, 2232020), (9940, 2136362), (9983, 2127160), (10430, 2035996), (10579, 2007320), (14338, 1481060), (14980, 1417586), (15194, 1397620), (15943, 1331960), (18760, 1131953), (19028, 1116010), (19880, 1068181), (19966, 1063580), (20860, 1017998), (21158, 1003660), (23785, 892808), (28676, 740530), (29960, 708793), (30388, 698810), (31886, 665980), (33299, 637720), (35845, 592424), (37985, 559048), (38056, 558005), (39932, 531790), (41720, 508999), (42316, 501830), (47570, 446404), (49915, 425432), (50183, 423160), (52895, 401464), (53179, 399320), (57352, 370265), (60776, 349405), (63772, 332990), (66598, 318860), (69881, 303880), (71690, 296212), (74053, 286760), (75970, 279524), (79715, 266392), (79864, 265895), (84632, 250915), (95140, 223202), (99830, 212716), (100366, 211580), (105790, 200732), (106358, 199660), (111601, 190280), (127544, 166495), (133196, 159430), (139762, 151940), (143380, 148106)]