397288045340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1168494251}}^1$

素因数の和:1168494277

約数の個数: 24

約数和(自身を含む): 883381654512

約数和(自身を除く): 486093609172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1168494251, 2336988502, 4673977004, 5842471255, 11684942510, 19864402267, 23369885020, 39728804534, 79457609068, 99322011335, 198644022670, 397288045340]

約数ペア:

[(1, 397288045340), (2, 198644022670), (4, 99322011335), (5, 79457609068), (10, 39728804534), (17, 23369885020), (20, 19864402267), (34, 11684942510), (68, 5842471255), (85, 4673977004), (170, 2336988502), (340, 1168494251)]