907978900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3167}}^1$

素因数の和:3289

約数の個数: 72

約数和(自身を含む): 2045869056

約数和(自身を除く): 1137890156

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 61, 94, 100, 122, 188, 235, 244, 305, 470, 610, 940, 1175, 1220, 1525, 2350, 2867, 3050, 3167, 4700, 5734, 6100, 6334, 11468, 12668, 14335, 15835, 28670, 31670, 57340, 63340, 71675, 79175, 143350, 148849, 158350, 193187, 286700, 297698, 316700, 386374, 595396, 744245, 772748, 965935, 1488490, 1931870, 2976980, 3721225, 3863740, 4829675, 7442450, 9079789, 9659350, 14884900, 18159578, 19318700, 36319156, 45398945, 90797890, 181595780, 226994725, 453989450, 907978900]

約数ペア:

[(1, 907978900), (2, 453989450), (4, 226994725), (5, 181595780), (10, 90797890), (20, 45398945), (25, 36319156), (47, 19318700), (50, 18159578), (61, 14884900), (94, 9659350), (100, 9079789), (122, 7442450), (188, 4829675), (235, 3863740), (244, 3721225), (305, 2976980), (470, 1931870), (610, 1488490), (940, 965935), (1175, 772748), (1220, 744245), (1525, 595396), (2350, 386374), (2867, 316700), (3050, 297698), (3167, 286700), (4700, 193187), (5734, 158350), (6100, 148849), (6334, 143350), (11468, 79175), (12668, 71675), (14335, 63340), (15835, 57340), (28670, 31670)]