399510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 1089504

約数和(自身を除く): 689994

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 193, 207, 230, 345, 386, 414, 579, 690, 965, 1035, 1158, 1737, 1930, 2070, 2895, 3474, 4439, 5790, 8685, 8878, 13317, 17370, 22195, 26634, 39951, 44390, 66585, 79902, 133170, 199755, 399510]

約数ペア:

[(1, 399510), (2, 199755), (3, 133170), (5, 79902), (6, 66585), (9, 44390), (10, 39951), (15, 26634), (18, 22195), (23, 17370), (30, 13317), (45, 8878), (46, 8685), (69, 5790), (90, 4439), (115, 3474), (138, 2895), (193, 2070), (207, 1930), (230, 1737), (345, 1158), (386, 1035), (414, 965), (579, 690)]