389631320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8419}}^1$

素因数の和:8532

約数の個数: 64

約数和(自身を含む): 954828000

約数和(自身を除く): 565196680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1780, 2314, 3560, 4628, 5785, 8419, 9256, 11570, 16838, 23140, 33676, 42095, 46280, 67352, 84190, 109447, 168380, 218894, 336760, 437788, 547235, 749291, 875576, 1094470, 1498582, 2188940, 2997164, 3746455, 4377880, 5994328, 7492910, 9740783, 14985820, 19481566, 29971640, 38963132, 48703915, 77926264, 97407830, 194815660, 389631320]

約数ペア:

[(1, 389631320), (2, 194815660), (4, 97407830), (5, 77926264), (8, 48703915), (10, 38963132), (13, 29971640), (20, 19481566), (26, 14985820), (40, 9740783), (52, 7492910), (65, 5994328), (89, 4377880), (104, 3746455), (130, 2997164), (178, 2188940), (260, 1498582), (356, 1094470), (445, 875576), (520, 749291), (712, 547235), (890, 437788), (1157, 336760), (1780, 218894), (2314, 168380), (3560, 109447), (4628, 84190), (5785, 67352), (8419, 46280), (9256, 42095), (11570, 33676), (16838, 23140)]