193749980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{3889}}^1$

素因数の和:3998

約数の個数: 48

約数和(自身を含む): 423480960

約数和(自身を除く): 229730980

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 3889, 4982, 7778, 9964, 12455, 15556, 19445, 24910, 38890, 49820, 77780, 182783, 206117, 365566, 412234, 731132, 824468, 913915, 1030585, 1827830, 2061170, 3655660, 4122340, 9687499, 19374998, 38749996, 48437495, 96874990, 193749980]

約数ペア:

[(1, 193749980), (2, 96874990), (4, 48437495), (5, 38749996), (10, 19374998), (20, 9687499), (47, 4122340), (53, 3655660), (94, 2061170), (106, 1827830), (188, 1030585), (212, 913915), (235, 824468), (265, 731132), (470, 412234), (530, 365566), (940, 206117), (1060, 182783), (2491, 77780), (3889, 49820), (4982, 38890), (7778, 24910), (9964, 19445), (12455, 15556)]