13979980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 20142836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1637, 1708, 2135, 3274, 4270, 6548, 8185, 8540, 11459, 16370, 22918, 32740, 45836, 57295, 99857, 114590, 199714, 229180, 399428, 499285, 698999, 998570, 1397998, 1997140, 2795996, 3494995, 6989990, 13979980]

約数ペア:

[(1, 13979980), (2, 6989990), (4, 3494995), (5, 2795996), (7, 1997140), (10, 1397998), (14, 998570), (20, 698999), (28, 499285), (35, 399428), (61, 229180), (70, 199714), (122, 114590), (140, 99857), (244, 57295), (305, 45836), (427, 32740), (610, 22918), (854, 16370), (1220, 11459), (1637, 8540), (1708, 8185), (2135, 6548), (3274, 4270)]