427807760

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{15149}}^1$

素因数の和:15515

約数の個数: 40

約数和(自身を含む): 997536600

約数和(自身を除く): 569728840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 14120, 15149, 28240, 30298, 60596, 75745, 121192, 151490, 242384, 302980, 605960, 1211920, 5347597, 10695194, 21390388, 26737985, 42780776, 53475970, 85561552, 106951940, 213903880, 427807760]

約数ペア:

[(1, 427807760), (2, 213903880), (4, 106951940), (5, 85561552), (8, 53475970), (10, 42780776), (16, 26737985), (20, 21390388), (40, 10695194), (80, 5347597), (353, 1211920), (706, 605960), (1412, 302980), (1765, 242384), (2824, 151490), (3530, 121192), (5648, 75745), (7060, 60596), (14120, 30298), (15149, 28240)]