388020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 1128960

約数和(自身を除く): 740940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 223, 290, 348, 435, 446, 580, 669, 870, 892, 1115, 1338, 1740, 2230, 2676, 3345, 4460, 6467, 6690, 12934, 13380, 19401, 25868, 32335, 38802, 64670, 77604, 97005, 129340, 194010, 388020]

約数ペア:

[(1, 388020), (2, 194010), (3, 129340), (4, 97005), (5, 77604), (6, 64670), (10, 38802), (12, 32335), (15, 25868), (20, 19401), (29, 13380), (30, 12934), (58, 6690), (60, 6467), (87, 4460), (116, 3345), (145, 2676), (174, 2230), (223, 1740), (290, 1338), (348, 1115), (435, 892), (446, 870), (580, 669)]