201811220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{6869}}^1$

素因数の和:7004

約数の個数: 48

約数和(自身を含む): 460509840

約数和(自身を除く): 258698620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 5876, 6869, 7345, 13738, 14690, 27476, 29380, 34345, 68690, 89297, 137380, 178594, 357188, 446485, 776197, 892970, 1552394, 1785940, 3104788, 3880985, 7761970, 10090561, 15523940, 20181122, 40362244, 50452805, 100905610, 201811220]

約数ペア:

[(1, 201811220), (2, 100905610), (4, 50452805), (5, 40362244), (10, 20181122), (13, 15523940), (20, 10090561), (26, 7761970), (52, 3880985), (65, 3104788), (113, 1785940), (130, 1552394), (226, 892970), (260, 776197), (452, 446485), (565, 357188), (1130, 178594), (1469, 137380), (2260, 89297), (2938, 68690), (5876, 34345), (6869, 29380), (7345, 27476), (13738, 14690)]