178389380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1297}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 422062872

約数和(自身を除く): 243673492

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 529, 598, 1058, 1196, 1297, 1495, 2116, 2594, 2645, 2990, 5188, 5290, 5980, 6485, 6877, 10580, 12970, 13754, 16861, 25940, 27508, 29831, 33722, 34385, 59662, 67444, 68770, 84305, 119324, 137540, 149155, 168610, 298310, 337220, 387803, 596620, 686113, 775606, 1372226, 1551212, 1939015, 2744452, 3430565, 3878030, 6861130, 7756060, 8919469, 13722260, 17838938, 35677876, 44597345, 89194690, 178389380]

約数ペア:

[(1, 178389380), (2, 89194690), (4, 44597345), (5, 35677876), (10, 17838938), (13, 13722260), (20, 8919469), (23, 7756060), (26, 6861130), (46, 3878030), (52, 3430565), (65, 2744452), (92, 1939015), (115, 1551212), (130, 1372226), (230, 775606), (260, 686113), (299, 596620), (460, 387803), (529, 337220), (598, 298310), (1058, 168610), (1196, 149155), (1297, 137540), (1495, 119324), (2116, 84305), (2594, 68770), (2645, 67444), (2990, 59662), (5188, 34385), (5290, 33722), (5980, 29831), (6485, 27508), (6877, 25940), (10580, 16861), (12970, 13754)]