190390520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{29201}}^1$

素因数の和:29375

約数の個数: 32

約数和(自身を含む): 431021520

約数和(自身を除く): 240631000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 29201, 58402, 116804, 146005, 233608, 292010, 584020, 1168040, 4759763, 9519526, 19039052, 23798815, 38078104, 47597630, 95195260, 190390520]

約数ペア:

[(1, 190390520), (2, 95195260), (4, 47597630), (5, 38078104), (8, 23798815), (10, 19039052), (20, 9519526), (40, 4759763), (163, 1168040), (326, 584020), (652, 292010), (815, 233608), (1304, 146005), (1630, 116804), (3260, 58402), (6520, 29201)]