239490190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{7649}}^1$

素因数の和:7788

約数の個数: 32

約数和(自身を含む): 449452800

約数和(自身を除く): 209962610

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 3131, 6262, 7649, 15298, 15655, 31310, 38245, 76490, 237119, 474238, 772549, 1185595, 1545098, 2371190, 3862745, 7725490, 23949019, 47898038, 119745095, 239490190]

約数ペア:

[(1, 239490190), (2, 119745095), (5, 47898038), (10, 23949019), (31, 7725490), (62, 3862745), (101, 2371190), (155, 1545098), (202, 1185595), (310, 772549), (505, 474238), (1010, 237119), (3131, 76490), (6262, 38245), (7649, 31310), (15298, 15655)]