68198900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 195737472

約数和(自身を除く): 127538572

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 521, 550, 595, 700, 748, 770, 850, 935, 1042, 1100, 1190, 1309, 1540, 1700, 1870, 1925, 2084, 2380, 2605, 2618, 2975, 3647, 3740, 3850, 4675, 5210, 5236, 5731, 5950, 6545, 7294, 7700, 8857, 9350, 10420, 11462, 11900, 13025, 13090, 14588, 17714, 18235, 18700, 22924, 26050, 26180, 28655, 32725, 35428, 36470, 40117, 44285, 52100, 57310, 61999, 65450, 72940, 80234, 88570, 91175, 97427, 114620, 123998, 130900, 143275, 160468, 177140, 182350, 194854, 200585, 221425, 247996, 286550, 309995, 364700, 389708, 401170, 442850, 487135, 573100, 619990, 681989, 802340, 885700, 974270, 1002925, 1239980, 1363978, 1549975, 1948540, 2005850, 2435675, 2727956, 3099950, 3409945, 4011700, 4871350, 6199900, 6819890, 9742700, 13639780, 17049725, 34099450, 68198900]

約数ペア:

[(1, 68198900), (2, 34099450), (4, 17049725), (5, 13639780), (7, 9742700), (10, 6819890), (11, 6199900), (14, 4871350), (17, 4011700), (20, 3409945), (22, 3099950), (25, 2727956), (28, 2435675), (34, 2005850), (35, 1948540), (44, 1549975), (50, 1363978), (55, 1239980), (68, 1002925), (70, 974270), (77, 885700), (85, 802340), (100, 681989), (110, 619990), (119, 573100), (140, 487135), (154, 442850), (170, 401170), (175, 389708), (187, 364700), (220, 309995), (238, 286550), (275, 247996), (308, 221425), (340, 200585), (350, 194854), (374, 182350), (385, 177140), (425, 160468), (476, 143275), (521, 130900), (550, 123998), (595, 114620), (700, 97427), (748, 91175), (770, 88570), (850, 80234), (935, 72940), (1042, 65450), (1100, 61999), (1190, 57310), (1309, 52100), (1540, 44285), (1700, 40117), (1870, 36470), (1925, 35428), (2084, 32725), (2380, 28655), (2605, 26180), (2618, 26050), (2975, 22924), (3647, 18700), (3740, 18235), (3850, 17714), (4675, 14588), (5210, 13090), (5236, 13025), (5731, 11900), (5950, 11462), (6545, 10420), (7294, 9350), (7700, 8857)]