775794280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1579}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 1781481600

約数和(自身を除く): 1005687320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 173, 284, 346, 355, 568, 692, 710, 865, 1384, 1420, 1579, 1730, 2840, 3158, 3460, 6316, 6920, 7895, 12283, 12632, 15790, 24566, 31580, 49132, 61415, 63160, 98264, 112109, 122830, 224218, 245660, 273167, 448436, 491320, 546334, 560545, 896872, 1092668, 1121090, 1365835, 2185336, 2242180, 2731670, 4484360, 5463340, 10926680, 19394857, 38789714, 77579428, 96974285, 155158856, 193948570, 387897140, 775794280]

約数ペア:

[(1, 775794280), (2, 387897140), (4, 193948570), (5, 155158856), (8, 96974285), (10, 77579428), (20, 38789714), (40, 19394857), (71, 10926680), (142, 5463340), (173, 4484360), (284, 2731670), (346, 2242180), (355, 2185336), (568, 1365835), (692, 1121090), (710, 1092668), (865, 896872), (1384, 560545), (1420, 546334), (1579, 491320), (1730, 448436), (2840, 273167), (3158, 245660), (3460, 224218), (6316, 122830), (6920, 112109), (7895, 98264), (12283, 63160), (12632, 61415), (15790, 49132), (24566, 31580)]