313477340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{1571}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 719397504

約数和(自身を除く): 405920164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 907, 1571, 1814, 3142, 3628, 4535, 6284, 7855, 9070, 9977, 15710, 17281, 18140, 19954, 31420, 34562, 39908, 49885, 69124, 86405, 99770, 172810, 199540, 345620, 1424897, 2849794, 5699588, 7124485, 14248970, 15673867, 28497940, 31347734, 62695468, 78369335, 156738670, 313477340]

約数ペア:

[(1, 313477340), (2, 156738670), (4, 78369335), (5, 62695468), (10, 31347734), (11, 28497940), (20, 15673867), (22, 14248970), (44, 7124485), (55, 5699588), (110, 2849794), (220, 1424897), (907, 345620), (1571, 199540), (1814, 172810), (3142, 99770), (3628, 86405), (4535, 69124), (6284, 49885), (7855, 39908), (9070, 34562), (9977, 31420), (15710, 19954), (17281, 18140)]