7897960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 20661120

約数和(自身を除く): 12763160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 421, 469, 536, 670, 842, 938, 1340, 1684, 1876, 2105, 2345, 2680, 2947, 3368, 3752, 4210, 4690, 5894, 8420, 9380, 11788, 14735, 16840, 18760, 23576, 28207, 29470, 56414, 58940, 112828, 117880, 141035, 197449, 225656, 282070, 394898, 564140, 789796, 987245, 1128280, 1579592, 1974490, 3948980, 7897960]

約数ペア:

[(1, 7897960), (2, 3948980), (4, 1974490), (5, 1579592), (7, 1128280), (8, 987245), (10, 789796), (14, 564140), (20, 394898), (28, 282070), (35, 225656), (40, 197449), (56, 141035), (67, 117880), (70, 112828), (134, 58940), (140, 56414), (268, 29470), (280, 28207), (335, 23576), (421, 18760), (469, 16840), (536, 14735), (670, 11788), (842, 9380), (938, 8420), (1340, 5894), (1684, 4690), (1876, 4210), (2105, 3752), (2345, 3368), (2680, 2947)]