221538400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8933}}^1$

素因数の和:8984

約数の個数: 72

約数和(自身を含む): 558339264

約数和(自身を除く): 336800864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 8933, 12400, 17866, 24800, 35732, 44665, 71464, 89330, 142928, 178660, 223325, 276923, 285856, 357320, 446650, 553846, 714640, 893300, 1107692, 1384615, 1429280, 1786600, 2215384, 2769230, 3573200, 4430768, 5538460, 6923075, 7146400, 8861536, 11076920, 13846150, 22153840, 27692300, 44307680, 55384600, 110769200, 221538400]

約数ペア:

[(1, 221538400), (2, 110769200), (4, 55384600), (5, 44307680), (8, 27692300), (10, 22153840), (16, 13846150), (20, 11076920), (25, 8861536), (31, 7146400), (32, 6923075), (40, 5538460), (50, 4430768), (62, 3573200), (80, 2769230), (100, 2215384), (124, 1786600), (155, 1429280), (160, 1384615), (200, 1107692), (248, 893300), (310, 714640), (400, 553846), (496, 446650), (620, 357320), (775, 285856), (800, 276923), (992, 223325), (1240, 178660), (1550, 142928), (2480, 89330), (3100, 71464), (4960, 44665), (6200, 35732), (8933, 24800), (12400, 17866)]