2939999920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:492

約数の個数: 240

約数和(自身を含む): 8245472256

約数和(自身を除く): 5305472336

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 61, 65, 80, 88, 104, 110, 121, 122, 130, 143, 176, 208, 220, 242, 244, 260, 286, 305, 383, 440, 484, 488, 520, 572, 605, 610, 671, 715, 766, 793, 880, 968, 976, 1040, 1144, 1210, 1220, 1342, 1430, 1532, 1573, 1586, 1915, 1936, 2288, 2420, 2440, 2684, 2860, 3064, 3146, 3172, 3355, 3830, 3965, 4213, 4840, 4880, 4979, 5368, 5720, 6128, 6292, 6344, 6710, 7381, 7660, 7865, 7930, 8426, 8723, 9680, 9958, 10736, 11440, 12584, 12688, 13420, 14762, 15320, 15730, 15860, 16852, 17446, 19916, 21065, 23363, 24895, 25168, 26840, 29524, 30640, 31460, 31720, 33704, 34892, 36905, 39832, 42130, 43615, 46343, 46726, 49790, 53680, 54769, 59048, 62920, 63440, 67408, 69784, 73810, 79664, 84260, 87230, 92686, 93452, 95953, 99580, 109538, 116815, 118096, 125840, 139568, 147620, 168520, 174460, 185372, 186904, 191906, 199160, 219076, 231715, 233630, 256993, 273845, 295240, 303719, 337040, 348920, 370744, 373808, 383812, 398320, 438152, 463430, 467260, 479765, 513986, 547690, 590480, 602459, 607438, 697840, 741488, 767624, 876304, 926860, 934520, 959530, 1027972, 1095380, 1204918, 1214876, 1284965, 1518595, 1535248, 1853720, 1869040, 1919060, 2055944, 2190760, 2409836, 2429752, 2569930, 2826923, 3012295, 3037190, 3340909, 3707440, 3838120, 4111888, 4381520, 4819672, 4859504, 5139860, 5653846, 6024590, 6074380, 6681818, 7676240, 9639344, 10279720, 11307692, 12049180, 12148760, 13363636, 14134615, 16704545, 20559440, 22615384, 24098360, 24297520, 26727272, 28269230, 33409090, 36749999, 45230768, 48196720, 53454544, 56538460, 66818180, 73499998, 113076920, 133636360, 146999996, 183749995, 226153840, 267272720, 293999992, 367499990, 587999984, 734999980, 1469999960, 2939999920]

約数ペア:

[(1, 2939999920), (2, 1469999960), (4, 734999980), (5, 587999984), (8, 367499990), (10, 293999992), (11, 267272720), (13, 226153840), (16, 183749995), (20, 146999996), (22, 133636360), (26, 113076920), (40, 73499998), (44, 66818180), (52, 56538460), (55, 53454544), (61, 48196720), (65, 45230768), (80, 36749999), (88, 33409090), (104, 28269230), (110, 26727272), (121, 24297520), (122, 24098360), (130, 22615384), (143, 20559440), (176, 16704545), (208, 14134615), (220, 13363636), (242, 12148760), (244, 12049180), (260, 11307692), (286, 10279720), (305, 9639344), (383, 7676240), (440, 6681818), (484, 6074380), (488, 6024590), (520, 5653846), (572, 5139860), (605, 4859504), (610, 4819672), (671, 4381520), (715, 4111888), (766, 3838120), (793, 3707440), (880, 3340909), (968, 3037190), (976, 3012295), (1040, 2826923), (1144, 2569930), (1210, 2429752), (1220, 2409836), (1342, 2190760), (1430, 2055944), (1532, 1919060), (1573, 1869040), (1586, 1853720), (1915, 1535248), (1936, 1518595), (2288, 1284965), (2420, 1214876), (2440, 1204918), (2684, 1095380), (2860, 1027972), (3064, 959530), (3146, 934520), (3172, 926860), (3355, 876304), (3830, 767624), (3965, 741488), (4213, 697840), (4840, 607438), (4880, 602459), (4979, 590480), (5368, 547690), (5720, 513986), (6128, 479765), (6292, 467260), (6344, 463430), (6710, 438152), (7381, 398320), (7660, 383812), (7865, 373808), (7930, 370744), (8426, 348920), (8723, 337040), (9680, 303719), (9958, 295240), (10736, 273845), (11440, 256993), (12584, 233630), (12688, 231715), (13420, 219076), (14762, 199160), (15320, 191906), (15730, 186904), (15860, 185372), (16852, 174460), (17446, 168520), (19916, 147620), (21065, 139568), (23363, 125840), (24895, 118096), (25168, 116815), (26840, 109538), (29524, 99580), (30640, 95953), (31460, 93452), (31720, 92686), (33704, 87230), (34892, 84260), (36905, 79664), (39832, 73810), (42130, 69784), (43615, 67408), (46343, 63440), (46726, 62920), (49790, 59048), (53680, 54769)]