201794780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12919}}^1$

素因数の和:13010

約数の個数: 48

約数和(自身を含む): 468840960

約数和(自身を除く): 267046180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 12919, 15620, 25838, 51676, 64595, 129190, 142109, 258380, 284218, 568436, 710545, 917249, 1421090, 1834498, 2842180, 3668996, 4586245, 9172490, 10089739, 18344980, 20179478, 40358956, 50448695, 100897390, 201794780]

約数ペア:

[(1, 201794780), (2, 100897390), (4, 50448695), (5, 40358956), (10, 20179478), (11, 18344980), (20, 10089739), (22, 9172490), (44, 4586245), (55, 3668996), (71, 2842180), (110, 1834498), (142, 1421090), (220, 917249), (284, 710545), (355, 568436), (710, 284218), (781, 258380), (1420, 142109), (1562, 129190), (3124, 64595), (3905, 51676), (7810, 25838), (12919, 15620)]