72499700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 200653824

約数和(自身を除く): 128154124

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 257, 260, 310, 325, 350, 364, 403, 434, 455, 514, 620, 650, 700, 775, 806, 868, 910, 1028, 1085, 1285, 1300, 1550, 1612, 1799, 1820, 2015, 2170, 2275, 2570, 2821, 3100, 3341, 3598, 4030, 4340, 4550, 5140, 5425, 5642, 6425, 6682, 7196, 7967, 8060, 8995, 9100, 10075, 10850, 11284, 12850, 13364, 14105, 15934, 16705, 17990, 20150, 21700, 23387, 25700, 28210, 31868, 33410, 35980, 39835, 40300, 44975, 46774, 55769, 56420, 66820, 70525, 79670, 83525, 89950, 93548, 103571, 111538, 116935, 141050, 159340, 167050, 179900, 199175, 207142, 223076, 233870, 278845, 282100, 334100, 398350, 414284, 467740, 517855, 557690, 584675, 724997, 796700, 1035710, 1115380, 1169350, 1394225, 1449994, 2071420, 2338700, 2589275, 2788450, 2899988, 3624985, 5178550, 5576900, 7249970, 10357100, 14499940, 18124925, 36249850, 72499700]

約数ペア:

[(1, 72499700), (2, 36249850), (4, 18124925), (5, 14499940), (7, 10357100), (10, 7249970), (13, 5576900), (14, 5178550), (20, 3624985), (25, 2899988), (26, 2788450), (28, 2589275), (31, 2338700), (35, 2071420), (50, 1449994), (52, 1394225), (62, 1169350), (65, 1115380), (70, 1035710), (91, 796700), (100, 724997), (124, 584675), (130, 557690), (140, 517855), (155, 467740), (175, 414284), (182, 398350), (217, 334100), (257, 282100), (260, 278845), (310, 233870), (325, 223076), (350, 207142), (364, 199175), (403, 179900), (434, 167050), (455, 159340), (514, 141050), (620, 116935), (650, 111538), (700, 103571), (775, 93548), (806, 89950), (868, 83525), (910, 79670), (1028, 70525), (1085, 66820), (1285, 56420), (1300, 55769), (1550, 46774), (1612, 44975), (1799, 40300), (1820, 39835), (2015, 35980), (2170, 33410), (2275, 31868), (2570, 28210), (2821, 25700), (3100, 23387), (3341, 21700), (3598, 20150), (4030, 17990), (4340, 16705), (4550, 15934), (5140, 14105), (5425, 13364), (5642, 12850), (6425, 11284), (6682, 10850), (7196, 10075), (7967, 9100), (8060, 8995)]