82638380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2521}}^1$

素因数の和:2690

約数の個数: 48

約数和(自身を含む): 190663200

約数和(自身を除く): 108024820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2521, 2980, 3278, 5042, 6556, 8195, 10084, 12605, 16390, 25210, 27731, 32780, 50420, 55462, 110924, 138655, 277310, 375629, 554620, 751258, 1502516, 1878145, 3756290, 4131919, 7512580, 8263838, 16527676, 20659595, 41319190, 82638380]

約数ペア:

[(1, 82638380), (2, 41319190), (4, 20659595), (5, 16527676), (10, 8263838), (11, 7512580), (20, 4131919), (22, 3756290), (44, 1878145), (55, 1502516), (110, 751258), (149, 554620), (220, 375629), (298, 277310), (596, 138655), (745, 110924), (1490, 55462), (1639, 50420), (2521, 32780), (2980, 27731), (3278, 25210), (5042, 16390), (6556, 12605), (8195, 10084)]