399770790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{5167}}^1$

素因数の和:7756

約数の個数: 32

約数和(自身を含む): 960007680

約数和(自身を除く): 560236890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2579, 5158, 5167, 7737, 10334, 12895, 15474, 15501, 25790, 25835, 31002, 38685, 51670, 77370, 77505, 155010, 13325693, 26651386, 39977079, 66628465, 79954158, 133256930, 199885395, 399770790]

約数ペア:

[(1, 399770790), (2, 199885395), (3, 133256930), (5, 79954158), (6, 66628465), (10, 39977079), (15, 26651386), (30, 13325693), (2579, 155010), (5158, 77505), (5167, 77370), (7737, 51670), (10334, 38685), (12895, 31002), (15474, 25835), (15501, 25790)]