257966800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:430

約数の個数: 240

約数和(自身を含む): 805087360

約数和(自身を除く): 547120560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 25, 26, 28, 35, 38, 40, 50, 52, 56, 65, 70, 76, 80, 91, 95, 100, 104, 112, 130, 133, 140, 152, 175, 182, 190, 200, 208, 247, 260, 266, 280, 304, 325, 350, 364, 373, 380, 400, 455, 475, 494, 520, 532, 560, 650, 665, 700, 728, 746, 760, 910, 950, 988, 1040, 1064, 1235, 1300, 1330, 1400, 1456, 1492, 1520, 1729, 1820, 1865, 1900, 1976, 2128, 2275, 2470, 2600, 2611, 2660, 2800, 2984, 3325, 3458, 3640, 3730, 3800, 3952, 4550, 4849, 4940, 5200, 5222, 5320, 5968, 6175, 6650, 6916, 7087, 7280, 7460, 7600, 8645, 9100, 9325, 9698, 9880, 10444, 10640, 12350, 13055, 13300, 13832, 14174, 14920, 17290, 18200, 18650, 19396, 19760, 20888, 24245, 24700, 26110, 26600, 27664, 28348, 29840, 33943, 34580, 35435, 36400, 37300, 38792, 41776, 43225, 48490, 49400, 49609, 52220, 53200, 56696, 65275, 67886, 69160, 70870, 74600, 77584, 86450, 92131, 96980, 98800, 99218, 104440, 113392, 121225, 130550, 135772, 138320, 141740, 149200, 169715, 172900, 177175, 184262, 193960, 198436, 208880, 242450, 248045, 261100, 271544, 283480, 339430, 345800, 354350, 368524, 387920, 396872, 460655, 484900, 496090, 522200, 543088, 566960, 644917, 678860, 691600, 708700, 737048, 793744, 848575, 921310, 969800, 992180, 1044400, 1240225, 1289834, 1357720, 1417400, 1474096, 1697150, 1842620, 1939600, 1984360, 2303275, 2480450, 2579668, 2715440, 2834800, 3224585, 3394300, 3685240, 3968720, 4606550, 4960900, 5159336, 6449170, 6788600, 7370480, 9213100, 9921800, 10318672, 12898340, 13577200, 16122925, 18426200, 19843600, 25796680, 32245850, 36852400, 51593360, 64491700, 128983400, 257966800]

約数ペア:

[(1, 257966800), (2, 128983400), (4, 64491700), (5, 51593360), (7, 36852400), (8, 32245850), (10, 25796680), (13, 19843600), (14, 18426200), (16, 16122925), (19, 13577200), (20, 12898340), (25, 10318672), (26, 9921800), (28, 9213100), (35, 7370480), (38, 6788600), (40, 6449170), (50, 5159336), (52, 4960900), (56, 4606550), (65, 3968720), (70, 3685240), (76, 3394300), (80, 3224585), (91, 2834800), (95, 2715440), (100, 2579668), (104, 2480450), (112, 2303275), (130, 1984360), (133, 1939600), (140, 1842620), (152, 1697150), (175, 1474096), (182, 1417400), (190, 1357720), (200, 1289834), (208, 1240225), (247, 1044400), (260, 992180), (266, 969800), (280, 921310), (304, 848575), (325, 793744), (350, 737048), (364, 708700), (373, 691600), (380, 678860), (400, 644917), (455, 566960), (475, 543088), (494, 522200), (520, 496090), (532, 484900), (560, 460655), (650, 396872), (665, 387920), (700, 368524), (728, 354350), (746, 345800), (760, 339430), (910, 283480), (950, 271544), (988, 261100), (1040, 248045), (1064, 242450), (1235, 208880), (1300, 198436), (1330, 193960), (1400, 184262), (1456, 177175), (1492, 172900), (1520, 169715), (1729, 149200), (1820, 141740), (1865, 138320), (1900, 135772), (1976, 130550), (2128, 121225), (2275, 113392), (2470, 104440), (2600, 99218), (2611, 98800), (2660, 96980), (2800, 92131), (2984, 86450), (3325, 77584), (3458, 74600), (3640, 70870), (3730, 69160), (3800, 67886), (3952, 65275), (4550, 56696), (4849, 53200), (4940, 52220), (5200, 49609), (5222, 49400), (5320, 48490), (5968, 43225), (6175, 41776), (6650, 38792), (6916, 37300), (7087, 36400), (7280, 35435), (7460, 34580), (7600, 33943), (8645, 29840), (9100, 28348), (9325, 27664), (9698, 26600), (9880, 26110), (10444, 24700), (10640, 24245), (12350, 20888), (13055, 19760), (13300, 19396), (13832, 18650), (14174, 18200), (14920, 17290)]