63818140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 138297600

約数和(自身を除く): 74479460

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 223, 349, 410, 446, 698, 820, 892, 1115, 1396, 1745, 2230, 3490, 4460, 6980, 9143, 14309, 18286, 28618, 36572, 45715, 57236, 71545, 77827, 91430, 143090, 155654, 182860, 286180, 311308, 389135, 778270, 1556540, 3190907, 6381814, 12763628, 15954535, 31909070, 63818140]

約数ペア:

[(1, 63818140), (2, 31909070), (4, 15954535), (5, 12763628), (10, 6381814), (20, 3190907), (41, 1556540), (82, 778270), (164, 389135), (205, 311308), (223, 286180), (349, 182860), (410, 155654), (446, 143090), (698, 91430), (820, 77827), (892, 71545), (1115, 57236), (1396, 45715), (1745, 36572), (2230, 28618), (3490, 18286), (4460, 14309), (6980, 9143)]