64902740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8747}}^1$

素因数の和:8816

約数の個数: 48

約数和(自身を含む): 158723712

約数和(自身を除く): 93820972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 8747, 17494, 34988, 43735, 61229, 87470, 122458, 174940, 244916, 306145, 463591, 612290, 927182, 1224580, 1854364, 2317955, 3245137, 4635910, 6490274, 9271820, 12980548, 16225685, 32451370, 64902740]

約数ペア:

[(1, 64902740), (2, 32451370), (4, 16225685), (5, 12980548), (7, 9271820), (10, 6490274), (14, 4635910), (20, 3245137), (28, 2317955), (35, 1854364), (53, 1224580), (70, 927182), (106, 612290), (140, 463591), (212, 306145), (265, 244916), (371, 174940), (530, 122458), (742, 87470), (1060, 61229), (1484, 43735), (1855, 34988), (3710, 17494), (7420, 8747)]