1217365220

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{42299}}^1$

素因数の和:43747

約数の個数: 24

約数和(自身を含む): 2558304000

約数和(自身を除く): 1340938780

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 14390, 28780, 42299, 84598, 169196, 211495, 422990, 845980, 60868261, 121736522, 243473044, 304341305, 608682610, 1217365220]

約数ペア:

[(1, 1217365220), (2, 608682610), (4, 304341305), (5, 243473044), (10, 121736522), (20, 60868261), (1439, 845980), (2878, 422990), (5756, 211495), (7195, 169196), (14390, 84598), (28780, 42299)]