157221500

素因数分解:

$2^2\times 5^3\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 344687616

約数和(自身を除く): 187466116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 383, 500, 766, 821, 1532, 1642, 1915, 3284, 3830, 4105, 7660, 8210, 9575, 16420, 19150, 20525, 38300, 41050, 47875, 82100, 95750, 102625, 191500, 205250, 314443, 410500, 628886, 1257772, 1572215, 3144430, 6288860, 7861075, 15722150, 31444300, 39305375, 78610750, 157221500]

約数ペア:

[(1, 157221500), (2, 78610750), (4, 39305375), (5, 31444300), (10, 15722150), (20, 7861075), (25, 6288860), (50, 3144430), (100, 1572215), (125, 1257772), (250, 628886), (383, 410500), (500, 314443), (766, 205250), (821, 191500), (1532, 102625), (1642, 95750), (1915, 82100), (3284, 47875), (3830, 41050), (4105, 38300), (7660, 20525), (8210, 19150), (9575, 16420)]