239562730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 489701376

約数和(自身を除く): 250138646

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 163, 310, 326, 341, 431, 682, 815, 862, 1630, 1705, 1793, 2155, 3410, 3586, 4310, 4741, 5053, 8965, 9482, 10106, 13361, 17930, 23705, 25265, 26722, 47410, 50530, 55583, 66805, 70253, 111166, 133610, 140506, 146971, 277915, 293942, 351265, 555830, 702530, 734855, 772783, 1469710, 1545566, 2177843, 3863915, 4355686, 7727830, 10889215, 21778430, 23956273, 47912546, 119781365, 239562730]

約数ペア:

[(1, 239562730), (2, 119781365), (5, 47912546), (10, 23956273), (11, 21778430), (22, 10889215), (31, 7727830), (55, 4355686), (62, 3863915), (110, 2177843), (155, 1545566), (163, 1469710), (310, 772783), (326, 734855), (341, 702530), (431, 555830), (682, 351265), (815, 293942), (862, 277915), (1630, 146971), (1705, 140506), (1793, 133610), (2155, 111166), (3410, 70253), (3586, 66805), (4310, 55583), (4741, 50530), (5053, 47410), (8965, 26722), (9482, 25265), (10106, 23705), (13361, 17930)]