156968980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{15359}}^1$

素因数の和:15448

約数の個数: 48

約数和(自身を含む): 381911040

約数和(自身を除く): 224942060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 15359, 30718, 61436, 76795, 107513, 153590, 215026, 307180, 430052, 537565, 1075130, 1121207, 2150260, 2242414, 4484828, 5606035, 7848449, 11212070, 15696898, 22424140, 31393796, 39242245, 78484490, 156968980]

約数ペア:

[(1, 156968980), (2, 78484490), (4, 39242245), (5, 31393796), (7, 22424140), (10, 15696898), (14, 11212070), (20, 7848449), (28, 5606035), (35, 4484828), (70, 2242414), (73, 2150260), (140, 1121207), (146, 1075130), (292, 537565), (365, 430052), (511, 307180), (730, 215026), (1022, 153590), (1460, 107513), (2044, 76795), (2555, 61436), (5110, 30718), (10220, 15359)]