142439780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2207}}^1$

素因数の和:2684

約数の個数: 48

約数和(自身を含む): 342752256

約数和(自身を除く): 200312476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 922, 1844, 2207, 2305, 3227, 4414, 4610, 6454, 8828, 9220, 11035, 12908, 15449, 16135, 22070, 30898, 32270, 44140, 61796, 64540, 77245, 154490, 308980, 1017427, 2034854, 4069708, 5087135, 7121989, 10174270, 14243978, 20348540, 28487956, 35609945, 71219890, 142439780]

約数ペア:

[(1, 142439780), (2, 71219890), (4, 35609945), (5, 28487956), (7, 20348540), (10, 14243978), (14, 10174270), (20, 7121989), (28, 5087135), (35, 4069708), (70, 2034854), (140, 1017427), (461, 308980), (922, 154490), (1844, 77245), (2207, 64540), (2305, 61796), (3227, 44140), (4414, 32270), (4610, 30898), (6454, 22070), (8828, 16135), (9220, 15449), (11035, 12908)]