88972940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8951}}^1$

素因数の和:9038

約数の個数: 48

約数和(自身を含む): 216566784

約数和(自身を除く): 127593844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8951, 9940, 17902, 35804, 44755, 62657, 89510, 125314, 179020, 250628, 313285, 626570, 635521, 1253140, 1271042, 2542084, 3177605, 4448647, 6355210, 8897294, 12710420, 17794588, 22243235, 44486470, 88972940]

約数ペア:

[(1, 88972940), (2, 44486470), (4, 22243235), (5, 17794588), (7, 12710420), (10, 8897294), (14, 6355210), (20, 4448647), (28, 3177605), (35, 2542084), (70, 1271042), (71, 1253140), (140, 635521), (142, 626570), (284, 313285), (355, 250628), (497, 179020), (710, 125314), (994, 89510), (1420, 62657), (1988, 44755), (2485, 35804), (4970, 17902), (8951, 9940)]