70390990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 129276000

約数和(自身を除く): 58885010

約数列:

[1, 2, 5, 10, 89, 139, 178, 278, 445, 569, 695, 890, 1138, 1390, 2845, 5690, 12371, 24742, 50641, 61855, 79091, 101282, 123710, 158182, 253205, 395455, 506410, 790910, 7039099, 14078198, 35195495, 70390990]

約数ペア:

[(1, 70390990), (2, 35195495), (5, 14078198), (10, 7039099), (89, 790910), (139, 506410), (178, 395455), (278, 253205), (445, 158182), (569, 123710), (695, 101282), (890, 79091), (1138, 61855), (1390, 50641), (2845, 24742), (5690, 12371)]