1658804920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{6271}}^1$

素因数の和:6688

約数の個数: 64

約数和(自身を含む): 3962649600

約数和(自身を除く): 2303844680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 389, 680, 778, 1556, 1945, 3112, 3890, 6271, 6613, 7780, 12542, 13226, 15560, 25084, 26452, 31355, 33065, 50168, 52904, 62710, 66130, 106607, 125420, 132260, 213214, 250840, 264520, 426428, 533035, 852856, 1066070, 2132140, 2439419, 4264280, 4878838, 9757676, 12197095, 19515352, 24394190, 41470123, 48788380, 82940246, 97576760, 165880492, 207350615, 331760984, 414701230, 829402460, 1658804920]

約数ペア:

[(1, 1658804920), (2, 829402460), (4, 414701230), (5, 331760984), (8, 207350615), (10, 165880492), (17, 97576760), (20, 82940246), (34, 48788380), (40, 41470123), (68, 24394190), (85, 19515352), (136, 12197095), (170, 9757676), (340, 4878838), (389, 4264280), (680, 2439419), (778, 2132140), (1556, 1066070), (1945, 852856), (3112, 533035), (3890, 426428), (6271, 264520), (6613, 250840), (7780, 213214), (12542, 132260), (13226, 125420), (15560, 106607), (25084, 66130), (26452, 62710), (31355, 52904), (33065, 50168)]