4942520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 12441600

約数和(自身を除く): 7499080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 239, 376, 440, 470, 478, 517, 940, 956, 1034, 1195, 1880, 1912, 2068, 2390, 2585, 2629, 4136, 4780, 5170, 5258, 9560, 10340, 10516, 11233, 13145, 20680, 21032, 22466, 26290, 44932, 52580, 56165, 89864, 105160, 112330, 123563, 224660, 247126, 449320, 494252, 617815, 988504, 1235630, 2471260, 4942520]

約数ペア:

[(1, 4942520), (2, 2471260), (4, 1235630), (5, 988504), (8, 617815), (10, 494252), (11, 449320), (20, 247126), (22, 224660), (40, 123563), (44, 112330), (47, 105160), (55, 89864), (88, 56165), (94, 52580), (110, 44932), (188, 26290), (220, 22466), (235, 21032), (239, 20680), (376, 13145), (440, 11233), (470, 10516), (478, 10340), (517, 9560), (940, 5258), (956, 5170), (1034, 4780), (1195, 4136), (1880, 2629), (1912, 2585), (2068, 2390)]