196761640

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{12979}}^1$

素因数の和:13369

約数の個数: 32

約数和(自身を含む): 443916000

約数和(自身を除く): 247154360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 3032, 3790, 7580, 12979, 15160, 25958, 51916, 64895, 103832, 129790, 259580, 519160, 4919041, 9838082, 19676164, 24595205, 39352328, 49190410, 98380820, 196761640]

約数ペア:

[(1, 196761640), (2, 98380820), (4, 49190410), (5, 39352328), (8, 24595205), (10, 19676164), (20, 9838082), (40, 4919041), (379, 519160), (758, 259580), (1516, 129790), (1895, 103832), (3032, 64895), (3790, 51916), (7580, 25958), (12979, 15160)]