740651720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{163861}}^1$

素因数の和:163985

約数の個数: 32

約数和(自身を含む): 1681224120

約数和(自身を除く): 940572400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 163861, 327722, 655444, 819305, 1310888, 1638610, 3277220, 6554440, 18516293, 37032586, 74065172, 92581465, 148130344, 185162930, 370325860, 740651720]

約数ペア:

[(1, 740651720), (2, 370325860), (4, 185162930), (5, 148130344), (8, 92581465), (10, 74065172), (20, 37032586), (40, 18516293), (113, 6554440), (226, 3277220), (452, 1638610), (565, 1310888), (904, 819305), (1130, 655444), (2260, 327722), (4520, 163861)]