619495880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{196043}}^1$

素因数の和:196133

約数の個数: 32

約数和(自身を含む): 1411516800

約数和(自身を除く): 792020920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 196043, 392086, 784172, 980215, 1568344, 1960430, 3920860, 7841720, 15487397, 30974794, 61949588, 77436985, 123899176, 154873970, 309747940, 619495880]

約数ペア:

[(1, 619495880), (2, 309747940), (4, 154873970), (5, 123899176), (8, 77436985), (10, 61949588), (20, 30974794), (40, 15487397), (79, 7841720), (158, 3920860), (316, 1960430), (395, 1568344), (632, 980215), (790, 784172), (1580, 392086), (3160, 196043)]