238877480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 555886800

約数和(自身を除く): 317009320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 164, 205, 226, 328, 410, 452, 565, 820, 904, 1130, 1289, 1640, 2260, 2578, 4520, 4633, 5156, 6445, 9266, 10312, 12890, 18532, 23165, 25780, 37064, 46330, 51560, 52849, 92660, 105698, 145657, 185320, 211396, 264245, 291314, 422792, 528490, 582628, 728285, 1056980, 1165256, 1456570, 2113960, 2913140, 5826280, 5971937, 11943874, 23887748, 29859685, 47775496, 59719370, 119438740, 238877480]

約数ペア:

[(1, 238877480), (2, 119438740), (4, 59719370), (5, 47775496), (8, 29859685), (10, 23887748), (20, 11943874), (40, 5971937), (41, 5826280), (82, 2913140), (113, 2113960), (164, 1456570), (205, 1165256), (226, 1056980), (328, 728285), (410, 582628), (452, 528490), (565, 422792), (820, 291314), (904, 264245), (1130, 211396), (1289, 185320), (1640, 145657), (2260, 105698), (2578, 92660), (4520, 52849), (4633, 51560), (5156, 46330), (6445, 37064), (9266, 25780), (10312, 23165), (12890, 18532)]