199424440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 458035200

約数和(自身を除く): 258610760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 223, 283, 316, 395, 446, 566, 632, 790, 892, 1115, 1132, 1415, 1580, 1784, 2230, 2264, 2830, 3160, 4460, 5660, 8920, 11320, 17617, 22357, 35234, 44714, 63109, 70468, 88085, 89428, 111785, 126218, 140936, 176170, 178856, 223570, 252436, 315545, 352340, 447140, 504872, 631090, 704680, 894280, 1262180, 2524360, 4985611, 9971222, 19942444, 24928055, 39884888, 49856110, 99712220, 199424440]

約数ペア:

[(1, 199424440), (2, 99712220), (4, 49856110), (5, 39884888), (8, 24928055), (10, 19942444), (20, 9971222), (40, 4985611), (79, 2524360), (158, 1262180), (223, 894280), (283, 704680), (316, 631090), (395, 504872), (446, 447140), (566, 352340), (632, 315545), (790, 252436), (892, 223570), (1115, 178856), (1132, 176170), (1415, 140936), (1580, 126218), (1784, 111785), (2230, 89428), (2264, 88085), (2830, 70468), (3160, 63109), (4460, 44714), (5660, 35234), (8920, 22357), (11320, 17617)]