190099480

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{11971}}^1$

素因数の和:12379

約数の個数: 32

約数和(自身を含む): 428837040

約数和(自身を除く): 238737560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 11971, 15880, 23942, 47884, 59855, 95768, 119710, 239420, 478840, 4752487, 9504974, 19009948, 23762435, 38019896, 47524870, 95049740, 190099480]

約数ペア:

[(1, 190099480), (2, 95049740), (4, 47524870), (5, 38019896), (8, 23762435), (10, 19009948), (20, 9504974), (40, 4752487), (397, 478840), (794, 239420), (1588, 119710), (1985, 95768), (3176, 59855), (3970, 47884), (7940, 23942), (11971, 15880)]