870865880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1\times {\mathrm{569}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 1990850400

約数和(自身を除く): 1119984520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 461, 569, 664, 830, 922, 1138, 1660, 1844, 2276, 2305, 2845, 3320, 3688, 4552, 4610, 5690, 9220, 11380, 18440, 22760, 38263, 47227, 76526, 94454, 153052, 188908, 191315, 236135, 262309, 306104, 377816, 382630, 472270, 524618, 765260, 944540, 1049236, 1311545, 1530520, 1889080, 2098472, 2623090, 5246180, 10492360, 21771647, 43543294, 87086588, 108858235, 174173176, 217716470, 435432940, 870865880]

約数ペア:

[(1, 870865880), (2, 435432940), (4, 217716470), (5, 174173176), (8, 108858235), (10, 87086588), (20, 43543294), (40, 21771647), (83, 10492360), (166, 5246180), (332, 2623090), (415, 2098472), (461, 1889080), (569, 1530520), (664, 1311545), (830, 1049236), (922, 944540), (1138, 765260), (1660, 524618), (1844, 472270), (2276, 382630), (2305, 377816), (2845, 306104), (3320, 262309), (3688, 236135), (4552, 191315), (4610, 188908), (5690, 153052), (9220, 94454), (11380, 76526), (18440, 47227), (22760, 38263)]