320424190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{7949}}^1$

素因数の和:8124

約数の個数: 32

約数和(自身を含む): 601020000

約数和(自身を除く): 280595810

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 7949, 8062, 15898, 20155, 39745, 40310, 79490, 230521, 461042, 1104911, 1152605, 2209822, 2305210, 5524555, 11049110, 32042419, 64084838, 160212095, 320424190]

約数ペア:

[(1, 320424190), (2, 160212095), (5, 64084838), (10, 32042419), (29, 11049110), (58, 5524555), (139, 2305210), (145, 2209822), (278, 1152605), (290, 1104911), (695, 461042), (1390, 230521), (4031, 79490), (7949, 40310), (8062, 39745), (15898, 20155)]