54581890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 109549440

約数和(自身を除く): 54967550

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 242, 395, 571, 605, 790, 869, 1142, 1210, 1738, 2855, 4345, 5710, 6281, 8690, 9559, 12562, 19118, 31405, 45109, 47795, 62810, 69091, 90218, 95590, 138182, 225545, 345455, 451090, 496199, 690910, 992398, 2480995, 4961990, 5458189, 10916378, 27290945, 54581890]

約数ペア:

[(1, 54581890), (2, 27290945), (5, 10916378), (10, 5458189), (11, 4961990), (22, 2480995), (55, 992398), (79, 690910), (110, 496199), (121, 451090), (158, 345455), (242, 225545), (395, 138182), (571, 95590), (605, 90218), (790, 69091), (869, 62810), (1142, 47795), (1210, 45109), (1738, 31405), (2855, 19118), (4345, 12562), (5710, 9559), (6281, 8690)]