389772650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10007}}^1$

素因数の和:10079

約数の個数: 48

約数和(自身を含む): 781824960

約数和(自身を除く): 392052310

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 475, 779, 950, 1025, 1558, 2050, 3895, 7790, 10007, 19475, 20014, 38950, 50035, 100070, 190133, 250175, 380266, 410287, 500350, 820574, 950665, 1901330, 2051435, 4102870, 4753325, 7795453, 9506650, 10257175, 15590906, 20514350, 38977265, 77954530, 194886325, 389772650]

約数ペア:

[(1, 389772650), (2, 194886325), (5, 77954530), (10, 38977265), (19, 20514350), (25, 15590906), (38, 10257175), (41, 9506650), (50, 7795453), (82, 4753325), (95, 4102870), (190, 2051435), (205, 1901330), (410, 950665), (475, 820574), (779, 500350), (950, 410287), (1025, 380266), (1558, 250175), (2050, 190133), (3895, 100070), (7790, 50035), (10007, 38950), (19475, 20014)]