241131640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 564480000

約数和(自身を除く): 323348360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1112, 1240, 1390, 1399, 2780, 2798, 4309, 5560, 5596, 6995, 8618, 11192, 13990, 17236, 21545, 27980, 34472, 43090, 43369, 55960, 86180, 86738, 172360, 173476, 194461, 216845, 346952, 388922, 433690, 777844, 867380, 972305, 1555688, 1734760, 1944610, 3889220, 6028291, 7778440, 12056582, 24113164, 30141455, 48226328, 60282910, 120565820, 241131640]

約数ペア:

[(1, 241131640), (2, 120565820), (4, 60282910), (5, 48226328), (8, 30141455), (10, 24113164), (20, 12056582), (31, 7778440), (40, 6028291), (62, 3889220), (124, 1944610), (139, 1734760), (155, 1555688), (248, 972305), (278, 867380), (310, 777844), (556, 433690), (620, 388922), (695, 346952), (1112, 216845), (1240, 194461), (1390, 173476), (1399, 172360), (2780, 86738), (2798, 86180), (4309, 55960), (5560, 43369), (5596, 43090), (6995, 34472), (8618, 27980), (11192, 21545), (13990, 17236)]