313236440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1607}}^1$

素因数の和:2072

約数の個数: 64

約数和(自身を含む): 771068160

約数和(自身を除く): 457831720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 443, 886, 1607, 1772, 2215, 3214, 3544, 4430, 4873, 6428, 8035, 8860, 9746, 12856, 16070, 17677, 17720, 19492, 24365, 32140, 35354, 38984, 48730, 64280, 70708, 88385, 97460, 141416, 176770, 194920, 353540, 707080, 711901, 1423802, 2847604, 3559505, 5695208, 7119010, 7830911, 14238020, 15661822, 28476040, 31323644, 39154555, 62647288, 78309110, 156618220, 313236440]

約数ペア:

[(1, 313236440), (2, 156618220), (4, 78309110), (5, 62647288), (8, 39154555), (10, 31323644), (11, 28476040), (20, 15661822), (22, 14238020), (40, 7830911), (44, 7119010), (55, 5695208), (88, 3559505), (110, 2847604), (220, 1423802), (440, 711901), (443, 707080), (886, 353540), (1607, 194920), (1772, 176770), (2215, 141416), (3214, 97460), (3544, 88385), (4430, 70708), (4873, 64280), (6428, 48730), (8035, 38984), (8860, 35354), (9746, 32140), (12856, 24365), (16070, 19492), (17677, 17720)]