90818140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22369}}^1$

素因数の和:22414

約数の個数: 48

約数和(自身を含む): 225489600

約数和(自身を除く): 134671460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 22369, 44738, 89476, 111845, 156583, 223690, 313166, 447380, 626332, 648701, 782915, 1297402, 1565830, 2594804, 3131660, 3243505, 4540907, 6487010, 9081814, 12974020, 18163628, 22704535, 45409070, 90818140]

約数ペア:

[(1, 90818140), (2, 45409070), (4, 22704535), (5, 18163628), (7, 12974020), (10, 9081814), (14, 6487010), (20, 4540907), (28, 3243505), (29, 3131660), (35, 2594804), (58, 1565830), (70, 1297402), (116, 782915), (140, 648701), (145, 626332), (203, 447380), (290, 313166), (406, 223690), (580, 156583), (812, 111845), (1015, 89476), (2030, 44738), (4060, 22369)]