56479940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 130334400

約数和(自身を除く): 73854460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 1723, 2980, 3278, 3446, 6556, 6892, 8195, 8615, 16390, 17230, 18953, 32780, 34460, 37906, 75812, 94765, 189530, 256727, 379060, 513454, 1026908, 1283635, 2567270, 2823997, 5134540, 5647994, 11295988, 14119985, 28239970, 56479940]

約数ペア:

[(1, 56479940), (2, 28239970), (4, 14119985), (5, 11295988), (10, 5647994), (11, 5134540), (20, 2823997), (22, 2567270), (44, 1283635), (55, 1026908), (110, 513454), (149, 379060), (220, 256727), (298, 189530), (596, 94765), (745, 75812), (1490, 37906), (1639, 34460), (1723, 32780), (2980, 18953), (3278, 17230), (3446, 16390), (6556, 8615), (6892, 8195)]