90428380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22273}}^1$

素因数の和:22318

約数の個数: 48

約数和(自身を含む): 224521920

約数和(自身を除く): 134093540

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, 22273, 44546, 89092, 111365, 155911, 222730, 311822, 445460, 623644, 645917, 779555, 1291834, 1559110, 2583668, 3118220, 3229585, 4521419, 6459170, 9042838, 12918340, 18085676, 22607095, 45214190, 90428380]

約数ペア:

[(1, 90428380), (2, 45214190), (4, 22607095), (5, 18085676), (7, 12918340), (10, 9042838), (14, 6459170), (20, 4521419), (28, 3229585), (29, 3118220), (35, 2583668), (58, 1559110), (70, 1291834), (116, 779555), (140, 645917), (145, 623644), (203, 445460), (290, 311822), (406, 222730), (580, 155911), (812, 111365), (1015, 89092), (2030, 44546), (4060, 22273)]