31263460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 68060160

約数和(自身を除く): 36796700

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 188, 235, 316, 395, 421, 470, 790, 842, 940, 1580, 1684, 2105, 3713, 4210, 7426, 8420, 14852, 18565, 19787, 33259, 37130, 39574, 66518, 74260, 79148, 98935, 133036, 166295, 197870, 332590, 395740, 665180, 1563173, 3126346, 6252692, 7815865, 15631730, 31263460]

約数ペア:

[(1, 31263460), (2, 15631730), (4, 7815865), (5, 6252692), (10, 3126346), (20, 1563173), (47, 665180), (79, 395740), (94, 332590), (158, 197870), (188, 166295), (235, 133036), (316, 98935), (395, 79148), (421, 74260), (470, 66518), (790, 39574), (842, 37130), (940, 33259), (1580, 19787), (1684, 18565), (2105, 14852), (3713, 8420), (4210, 7426)]