171947450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 327836160

約数和(自身を除く): 155888710

約数列:

[1, 2, 5, 10, 25, 50, 79, 101, 158, 202, 395, 431, 505, 790, 862, 1010, 1975, 2155, 2525, 3950, 4310, 5050, 7979, 10775, 15958, 21550, 34049, 39895, 43531, 68098, 79790, 87062, 170245, 199475, 217655, 340490, 398950, 435310, 851225, 1088275, 1702450, 2176550, 3438949, 6877898, 17194745, 34389490, 85973725, 171947450]

約数ペア:

[(1, 171947450), (2, 85973725), (5, 34389490), (10, 17194745), (25, 6877898), (50, 3438949), (79, 2176550), (101, 1702450), (158, 1088275), (202, 851225), (395, 435310), (431, 398950), (505, 340490), (790, 217655), (862, 199475), (1010, 170245), (1975, 87062), (2155, 79790), (2525, 68098), (3950, 43531), (4310, 39895), (5050, 34049), (7979, 21550), (10775, 15958)]