99081980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 216972000

約数和(自身を除く): 117890020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1229, 1390, 2458, 2780, 4031, 4916, 6145, 8062, 12290, 16124, 20155, 24580, 35641, 40310, 71282, 80620, 142564, 170831, 178205, 341662, 356410, 683324, 712820, 854155, 1708310, 3416620, 4954099, 9908198, 19816396, 24770495, 49540990, 99081980]

約数ペア:

[(1, 99081980), (2, 49540990), (4, 24770495), (5, 19816396), (10, 9908198), (20, 4954099), (29, 3416620), (58, 1708310), (116, 854155), (139, 712820), (145, 683324), (278, 356410), (290, 341662), (556, 178205), (580, 170831), (695, 142564), (1229, 80620), (1390, 71282), (2458, 40310), (2780, 35641), (4031, 24580), (4916, 20155), (6145, 16124), (8062, 12290)]