1900307600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 5072050368

約数和(自身を除く): 3171742768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 43, 50, 67, 68, 80, 85, 86, 97, 100, 134, 136, 170, 172, 194, 200, 215, 268, 272, 335, 340, 344, 388, 400, 425, 430, 485, 536, 670, 680, 688, 731, 776, 850, 860, 970, 1072, 1075, 1139, 1340, 1360, 1462, 1552, 1649, 1675, 1700, 1720, 1940, 2150, 2278, 2425, 2680, 2881, 2924, 3298, 3350, 3400, 3440, 3655, 3880, 4171, 4300, 4556, 4850, 5360, 5695, 5762, 5848, 6499, 6596, 6700, 6800, 7310, 7760, 8245, 8342, 8600, 9112, 9700, 11390, 11524, 11696, 12998, 13192, 13400, 14405, 14620, 16490, 16684, 17200, 18224, 18275, 19400, 20855, 22780, 23048, 25996, 26384, 26800, 28475, 28810, 29240, 32495, 32980, 33368, 36550, 38800, 41225, 41710, 45560, 46096, 48977, 51992, 56950, 57620, 58480, 64990, 65960, 66736, 70907, 72025, 73100, 82450, 83420, 91120, 97954, 103984, 104275, 110483, 113900, 115240, 129980, 131920, 141814, 144050, 146200, 162475, 164900, 166840, 195908, 208550, 220966, 227800, 230480, 244885, 259960, 279457, 283628, 288100, 292400, 324950, 329800, 333680, 354535, 391816, 417100, 441932, 455600, 489770, 519920, 552415, 558914, 567256, 576200, 649900, 659600, 709070, 783632, 834200, 883864, 979540, 1104830, 1117828, 1134512, 1152400, 1224425, 1299800, 1397285, 1418140, 1668400, 1767728, 1772675, 1959080, 2209660, 2235656, 2448850, 2599600, 2762075, 2794570, 2836280, 3545350, 3918160, 4419320, 4471312, 4750769, 4897700, 5524150, 5589140, 5672560, 6986425, 7090700, 8838640, 9501538, 9795400, 11048300, 11178280, 13972850, 14181400, 19003076, 19590800, 22096600, 22356560, 23753845, 27945700, 28362800, 38006152, 44193200, 47507690, 55891400, 76012304, 95015380, 111782800, 118769225, 190030760, 237538450, 380061520, 475076900, 950153800, 1900307600]

約数ペア:

[(1, 1900307600), (2, 950153800), (4, 475076900), (5, 380061520), (8, 237538450), (10, 190030760), (16, 118769225), (17, 111782800), (20, 95015380), (25, 76012304), (34, 55891400), (40, 47507690), (43, 44193200), (50, 38006152), (67, 28362800), (68, 27945700), (80, 23753845), (85, 22356560), (86, 22096600), (97, 19590800), (100, 19003076), (134, 14181400), (136, 13972850), (170, 11178280), (172, 11048300), (194, 9795400), (200, 9501538), (215, 8838640), (268, 7090700), (272, 6986425), (335, 5672560), (340, 5589140), (344, 5524150), (388, 4897700), (400, 4750769), (425, 4471312), (430, 4419320), (485, 3918160), (536, 3545350), (670, 2836280), (680, 2794570), (688, 2762075), (731, 2599600), (776, 2448850), (850, 2235656), (860, 2209660), (970, 1959080), (1072, 1772675), (1075, 1767728), (1139, 1668400), (1340, 1418140), (1360, 1397285), (1462, 1299800), (1552, 1224425), (1649, 1152400), (1675, 1134512), (1700, 1117828), (1720, 1104830), (1940, 979540), (2150, 883864), (2278, 834200), (2425, 783632), (2680, 709070), (2881, 659600), (2924, 649900), (3298, 576200), (3350, 567256), (3400, 558914), (3440, 552415), (3655, 519920), (3880, 489770), (4171, 455600), (4300, 441932), (4556, 417100), (4850, 391816), (5360, 354535), (5695, 333680), (5762, 329800), (5848, 324950), (6499, 292400), (6596, 288100), (6700, 283628), (6800, 279457), (7310, 259960), (7760, 244885), (8245, 230480), (8342, 227800), (8600, 220966), (9112, 208550), (9700, 195908), (11390, 166840), (11524, 164900), (11696, 162475), (12998, 146200), (13192, 144050), (13400, 141814), (14405, 131920), (14620, 129980), (16490, 115240), (16684, 113900), (17200, 110483), (18224, 104275), (18275, 103984), (19400, 97954), (20855, 91120), (22780, 83420), (23048, 82450), (25996, 73100), (26384, 72025), (26800, 70907), (28475, 66736), (28810, 65960), (29240, 64990), (32495, 58480), (32980, 57620), (33368, 56950), (36550, 51992), (38800, 48977), (41225, 46096), (41710, 45560)]