99131180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{569}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 216034560

約数和(自身を除く): 116903380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 281, 310, 562, 569, 620, 1124, 1138, 1405, 2276, 2810, 2845, 5620, 5690, 8711, 11380, 17422, 17639, 34844, 35278, 43555, 70556, 87110, 88195, 159889, 174220, 176390, 319778, 352780, 639556, 799445, 1598890, 3197780, 4956559, 9913118, 19826236, 24782795, 49565590, 99131180]

約数ペア:

[(1, 99131180), (2, 49565590), (4, 24782795), (5, 19826236), (10, 9913118), (20, 4956559), (31, 3197780), (62, 1598890), (124, 799445), (155, 639556), (281, 352780), (310, 319778), (562, 176390), (569, 174220), (620, 159889), (1124, 88195), (1138, 87110), (1405, 70556), (2276, 43555), (2810, 35278), (2845, 34844), (5620, 17639), (5690, 17422), (8711, 11380)]