123919850

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 237681216

約数和(自身を除く): 113761366

約数列:

[1, 2, 5, 10, 25, 50, 67, 71, 134, 142, 335, 355, 521, 670, 710, 1042, 1675, 1775, 2605, 3350, 3550, 4757, 5210, 9514, 13025, 23785, 26050, 34907, 36991, 47570, 69814, 73982, 118925, 174535, 184955, 237850, 349070, 369910, 872675, 924775, 1745350, 1849550, 2478397, 4956794, 12391985, 24783970, 61959925, 123919850]

約数ペア:

[(1, 123919850), (2, 61959925), (5, 24783970), (10, 12391985), (25, 4956794), (50, 2478397), (67, 1849550), (71, 1745350), (134, 924775), (142, 872675), (335, 369910), (355, 349070), (521, 237850), (670, 184955), (710, 174535), (1042, 118925), (1675, 73982), (1775, 69814), (2605, 47570), (3350, 36991), (3550, 34907), (4757, 26050), (5210, 23785), (9514, 13025)]