244865240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{77489}}^1$

素因数の和:77579

約数の個数: 32

約数和(自身を含む): 557928000

約数和(自身を除く): 313062760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 77489, 154978, 309956, 387445, 619912, 774890, 1549780, 3099560, 6121631, 12243262, 24486524, 30608155, 48973048, 61216310, 122432620, 244865240]

約数ペア:

[(1, 244865240), (2, 122432620), (4, 61216310), (5, 48973048), (8, 30608155), (10, 24486524), (20, 12243262), (40, 6121631), (79, 3099560), (158, 1549780), (316, 774890), (395, 619912), (632, 387445), (790, 309956), (1580, 154978), (3160, 77489)]