202858420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 453841920

約数和(自身を除く): 250983500

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 239, 310, 370, 478, 620, 740, 956, 1147, 1195, 1369, 2294, 2390, 2738, 4588, 4780, 5476, 5735, 6845, 7409, 8843, 11470, 13690, 14818, 17686, 22940, 27380, 29636, 35372, 37045, 42439, 44215, 74090, 84878, 88430, 148180, 169756, 176860, 212195, 274133, 327191, 424390, 548266, 654382, 848780, 1096532, 1308764, 1370665, 1635955, 2741330, 3271910, 5482660, 6543820, 10142921, 20285842, 40571684, 50714605, 101429210, 202858420]

約数ペア:

[(1, 202858420), (2, 101429210), (4, 50714605), (5, 40571684), (10, 20285842), (20, 10142921), (31, 6543820), (37, 5482660), (62, 3271910), (74, 2741330), (124, 1635955), (148, 1370665), (155, 1308764), (185, 1096532), (239, 848780), (310, 654382), (370, 548266), (478, 424390), (620, 327191), (740, 274133), (956, 212195), (1147, 176860), (1195, 169756), (1369, 148180), (2294, 88430), (2390, 84878), (2738, 74090), (4588, 44215), (4780, 42439), (5476, 37045), (5735, 35372), (6845, 29636), (7409, 27380), (8843, 22940), (11470, 17686), (13690, 14818)]