81196060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2477}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 187336800

約数和(自身を除く): 106140740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2477, 2980, 3278, 4954, 6556, 8195, 9908, 12385, 16390, 24770, 27247, 32780, 49540, 54494, 108988, 136235, 272470, 369073, 544940, 738146, 1476292, 1845365, 3690730, 4059803, 7381460, 8119606, 16239212, 20299015, 40598030, 81196060]

約数ペア:

[(1, 81196060), (2, 40598030), (4, 20299015), (5, 16239212), (10, 8119606), (11, 7381460), (20, 4059803), (22, 3690730), (44, 1845365), (55, 1476292), (110, 738146), (149, 544940), (220, 369073), (298, 272470), (596, 136235), (745, 108988), (1490, 54494), (1639, 49540), (2477, 32780), (2980, 27247), (3278, 24770), (4954, 16390), (6556, 12385), (8195, 9908)]