138729570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{660617}}^1$

素因数の和:660634

約数の個数: 32

約数和(自身を含む): 380515968

約数和(自身を除く): 241786398

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 660617, 1321234, 1981851, 3303085, 3963702, 4624319, 6606170, 9248638, 9909255, 13872957, 19818510, 23121595, 27745914, 46243190, 69364785, 138729570]

約数ペア:

[(1, 138729570), (2, 69364785), (3, 46243190), (5, 27745914), (6, 23121595), (7, 19818510), (10, 13872957), (14, 9909255), (15, 9248638), (21, 6606170), (30, 4624319), (35, 3963702), (42, 3303085), (70, 1981851), (105, 1321234), (210, 660617)]