972004180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^2\times {\mathrm{449}}^1$

素因数の和:566

約数の個数: 108

約数和(自身を含む): 2431466100

約数和(自身を除く): 1459461920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 449, 470, 490, 658, 898, 940, 980, 1316, 1645, 1796, 2209, 2245, 2303, 3143, 3290, 4418, 4490, 4606, 6286, 6580, 8836, 8980, 9212, 11045, 11515, 12572, 15463, 15715, 21103, 22001, 22090, 23030, 30926, 31430, 42206, 44002, 44180, 46060, 61852, 62860, 77315, 84412, 88004, 105515, 108241, 110005, 147721, 154630, 211030, 216482, 220010, 295442, 309260, 422060, 432964, 440020, 541205, 590884, 738605, 991841, 1034047, 1082410, 1477210, 1983682, 2068094, 2164820, 2954420, 3967364, 4136188, 4959205, 5170235, 6942887, 9918410, 10340470, 13885774, 19836820, 20680940, 27771548, 34714435, 48600209, 69428870, 97200418, 138857740, 194400836, 243001045, 486002090, 972004180]

約数ペア:

[(1, 972004180), (2, 486002090), (4, 243001045), (5, 194400836), (7, 138857740), (10, 97200418), (14, 69428870), (20, 48600209), (28, 34714435), (35, 27771548), (47, 20680940), (49, 19836820), (70, 13885774), (94, 10340470), (98, 9918410), (140, 6942887), (188, 5170235), (196, 4959205), (235, 4136188), (245, 3967364), (329, 2954420), (449, 2164820), (470, 2068094), (490, 1983682), (658, 1477210), (898, 1082410), (940, 1034047), (980, 991841), (1316, 738605), (1645, 590884), (1796, 541205), (2209, 440020), (2245, 432964), (2303, 422060), (3143, 309260), (3290, 295442), (4418, 220010), (4490, 216482), (4606, 211030), (6286, 154630), (6580, 147721), (8836, 110005), (8980, 108241), (9212, 105515), (11045, 88004), (11515, 84412), (12572, 77315), (15463, 62860), (15715, 61852), (21103, 46060), (22001, 44180), (22090, 44002), (23030, 42206), (30926, 31430)]