161769800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{42571}}^1$

素因数の和:42606

約数の個数: 48

約数和(自身を含む): 395919600

約数和(自身を除く): 234149800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 42571, 85142, 170284, 212855, 340568, 425710, 808849, 851420, 1064275, 1617698, 1702840, 2128550, 3235396, 4044245, 4257100, 6470792, 8088490, 8514200, 16176980, 20221225, 32353960, 40442450, 80884900, 161769800]

約数ペア:

[(1, 161769800), (2, 80884900), (4, 40442450), (5, 32353960), (8, 20221225), (10, 16176980), (19, 8514200), (20, 8088490), (25, 6470792), (38, 4257100), (40, 4044245), (50, 3235396), (76, 2128550), (95, 1702840), (100, 1617698), (152, 1064275), (190, 851420), (200, 808849), (380, 425710), (475, 340568), (760, 212855), (950, 170284), (1900, 85142), (3800, 42571)]