11208980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 24675840

約数和(自身を除く): 13466860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 179, 202, 310, 358, 404, 505, 620, 716, 895, 1010, 1790, 2020, 3131, 3580, 5549, 6262, 11098, 12524, 15655, 18079, 22196, 27745, 31310, 36158, 55490, 62620, 72316, 90395, 110980, 180790, 361580, 560449, 1120898, 2241796, 2802245, 5604490, 11208980]

約数ペア:

[(1, 11208980), (2, 5604490), (4, 2802245), (5, 2241796), (10, 1120898), (20, 560449), (31, 361580), (62, 180790), (101, 110980), (124, 90395), (155, 72316), (179, 62620), (202, 55490), (310, 36158), (358, 31310), (404, 27745), (505, 22196), (620, 18079), (716, 15655), (895, 12524), (1010, 11098), (1790, 6262), (2020, 5549), (3131, 3580)]