201480620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6991}}^1$

素因数の和:7142

約数の個数: 48

約数和(自身を含む): 465163776

約数和(自身を除く): 263683156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 6991, 7205, 13982, 14410, 27964, 28820, 34955, 69910, 76901, 139820, 153802, 307604, 384505, 769010, 915821, 1538020, 1831642, 3663284, 4579105, 9158210, 10074031, 18316420, 20148062, 40296124, 50370155, 100740310, 201480620]

約数ペア:

[(1, 201480620), (2, 100740310), (4, 50370155), (5, 40296124), (10, 20148062), (11, 18316420), (20, 10074031), (22, 9158210), (44, 4579105), (55, 3663284), (110, 1831642), (131, 1538020), (220, 915821), (262, 769010), (524, 384505), (655, 307604), (1310, 153802), (1441, 139820), (2620, 76901), (2882, 69910), (5764, 34955), (6991, 28820), (7205, 27964), (13982, 14410)]