2389888760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{997}}^1\times {\mathrm{1223}}^1$

素因数の和:2245

約数の個数: 96

約数和(自身を含む): 6266561760

約数和(自身を除く): 3876673000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 997, 1223, 1960, 1994, 2446, 3988, 4892, 4985, 6115, 6979, 7976, 8561, 9784, 9970, 12230, 13958, 17122, 19940, 24460, 27916, 34244, 34895, 39880, 42805, 48853, 48920, 55832, 59927, 68488, 69790, 85610, 97706, 119854, 139580, 171220, 195412, 239708, 244265, 279160, 299635, 342440, 390824, 479416, 488530, 599270, 977060, 1198540, 1219331, 1954120, 2397080, 2438662, 4877324, 6096655, 8535317, 9754648, 12193310, 17070634, 24386620, 34141268, 42676585, 48773240, 59747219, 68282536, 85353170, 119494438, 170706340, 238988876, 298736095, 341412680, 477977752, 597472190, 1194944380, 2389888760]

約数ペア:

[(1, 2389888760), (2, 1194944380), (4, 597472190), (5, 477977752), (7, 341412680), (8, 298736095), (10, 238988876), (14, 170706340), (20, 119494438), (28, 85353170), (35, 68282536), (40, 59747219), (49, 48773240), (56, 42676585), (70, 34141268), (98, 24386620), (140, 17070634), (196, 12193310), (245, 9754648), (280, 8535317), (392, 6096655), (490, 4877324), (980, 2438662), (997, 2397080), (1223, 1954120), (1960, 1219331), (1994, 1198540), (2446, 977060), (3988, 599270), (4892, 488530), (4985, 479416), (6115, 390824), (6979, 342440), (7976, 299635), (8561, 279160), (9784, 244265), (9970, 239708), (12230, 195412), (13958, 171220), (17122, 139580), (19940, 119854), (24460, 97706), (27916, 85610), (34244, 69790), (34895, 68488), (39880, 59927), (42805, 55832), (48853, 48920)]