128743340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12451}}^1$

素因数の和:12518

約数の個数: 48

約数和(自身を含む): 301238784

約数和(自身を除く): 172495444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 12451, 24902, 49804, 62255, 124510, 136961, 249020, 273922, 547844, 585197, 684805, 1170394, 1369610, 2340788, 2739220, 2925985, 5851970, 6437167, 11703940, 12874334, 25748668, 32185835, 64371670, 128743340]

約数ペア:

[(1, 128743340), (2, 64371670), (4, 32185835), (5, 25748668), (10, 12874334), (11, 11703940), (20, 6437167), (22, 5851970), (44, 2925985), (47, 2739220), (55, 2340788), (94, 1369610), (110, 1170394), (188, 684805), (220, 585197), (235, 547844), (470, 273922), (517, 249020), (940, 136961), (1034, 124510), (2068, 62255), (2585, 49804), (5170, 24902), (10340, 12451)]