2018637620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1\times {\mathrm{2239}}^1$

素因数の和:3048

約数の個数: 48

約数和(自身を含む): 4316390400

約数和(自身を除く): 2297752780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 739, 1220, 1478, 2239, 2956, 3695, 4478, 7390, 8956, 11195, 14780, 22390, 44780, 45079, 90158, 136579, 180316, 225395, 273158, 450790, 546316, 682895, 901580, 1365790, 1654621, 2731580, 3309242, 6618484, 8273105, 16546210, 33092420, 100931881, 201863762, 403727524, 504659405, 1009318810, 2018637620]

約数ペア:

[(1, 2018637620), (2, 1009318810), (4, 504659405), (5, 403727524), (10, 201863762), (20, 100931881), (61, 33092420), (122, 16546210), (244, 8273105), (305, 6618484), (610, 3309242), (739, 2731580), (1220, 1654621), (1478, 1365790), (2239, 901580), (2956, 682895), (3695, 546316), (4478, 450790), (7390, 273158), (8956, 225395), (11195, 180316), (14780, 136579), (22390, 90158), (44780, 45079)]