338889700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1237

約数の個数: 72

約数和(自身を含む): 779325120

約数和(自身を除く): 440435420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 173, 190, 346, 380, 475, 692, 865, 950, 1031, 1730, 1900, 2062, 3287, 3460, 4124, 4325, 5155, 6574, 8650, 10310, 13148, 16435, 17300, 19589, 20620, 25775, 32870, 39178, 51550, 65740, 78356, 82175, 97945, 103100, 164350, 178363, 195890, 328700, 356726, 391780, 489725, 713452, 891815, 979450, 1783630, 1958900, 3388897, 3567260, 4459075, 6777794, 8918150, 13555588, 16944485, 17836300, 33888970, 67777940, 84722425, 169444850, 338889700]

約数ペア:

[(1, 338889700), (2, 169444850), (4, 84722425), (5, 67777940), (10, 33888970), (19, 17836300), (20, 16944485), (25, 13555588), (38, 8918150), (50, 6777794), (76, 4459075), (95, 3567260), (100, 3388897), (173, 1958900), (190, 1783630), (346, 979450), (380, 891815), (475, 713452), (692, 489725), (865, 391780), (950, 356726), (1031, 328700), (1730, 195890), (1900, 178363), (2062, 164350), (3287, 103100), (3460, 97945), (4124, 82175), (4325, 78356), (5155, 65740), (6574, 51550), (8650, 39178), (10310, 32870), (13148, 25775), (16435, 20620), (17300, 19589)]