1366590980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{27901}}^1$

素因数の和:28020

約数の個数: 48

約数和(自身を含む): 3000023040

約数和(自身を除く): 1633432060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 9796, 12245, 24490, 27901, 48980, 55802, 111604, 139505, 279010, 558020, 864931, 1729862, 2204179, 3459724, 4324655, 4408358, 8649310, 8816716, 11020895, 17298620, 22041790, 44083580, 68329549, 136659098, 273318196, 341647745, 683295490, 1366590980]

約数ペア:

[(1, 1366590980), (2, 683295490), (4, 341647745), (5, 273318196), (10, 136659098), (20, 68329549), (31, 44083580), (62, 22041790), (79, 17298620), (124, 11020895), (155, 8816716), (158, 8649310), (310, 4408358), (316, 4324655), (395, 3459724), (620, 2204179), (790, 1729862), (1580, 864931), (2449, 558020), (4898, 279010), (9796, 139505), (12245, 111604), (24490, 55802), (27901, 48980)]