355958020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{10859}}^1$

素因数の和:11028

約数の個数: 48

約数和(自身を含む): 821016000

約数和(自身を除く): 465057980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 6556, 8195, 10859, 16390, 21718, 32780, 43436, 54295, 108590, 119449, 217180, 238898, 477796, 597245, 1194490, 1617991, 2388980, 3235982, 6471964, 8089955, 16179910, 17797901, 32359820, 35595802, 71191604, 88989505, 177979010, 355958020]

約数ペア:

[(1, 355958020), (2, 177979010), (4, 88989505), (5, 71191604), (10, 35595802), (11, 32359820), (20, 17797901), (22, 16179910), (44, 8089955), (55, 6471964), (110, 3235982), (149, 2388980), (220, 1617991), (298, 1194490), (596, 597245), (745, 477796), (1490, 238898), (1639, 217180), (2980, 119449), (3278, 108590), (6556, 54295), (8195, 43436), (10859, 32780), (16390, 21718)]