4974760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 12988800

約数和(自身を除く): 8014040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 163, 218, 280, 326, 436, 545, 652, 763, 815, 872, 1090, 1141, 1304, 1526, 1630, 2180, 2282, 3052, 3260, 3815, 4360, 4564, 5705, 6104, 6520, 7630, 9128, 11410, 15260, 17767, 22820, 30520, 35534, 45640, 71068, 88835, 124369, 142136, 177670, 248738, 355340, 497476, 621845, 710680, 994952, 1243690, 2487380, 4974760]

約数ペア:

[(1, 4974760), (2, 2487380), (4, 1243690), (5, 994952), (7, 710680), (8, 621845), (10, 497476), (14, 355340), (20, 248738), (28, 177670), (35, 142136), (40, 124369), (56, 88835), (70, 71068), (109, 45640), (140, 35534), (163, 30520), (218, 22820), (280, 17767), (326, 15260), (436, 11410), (545, 9128), (652, 7630), (763, 6520), (815, 6104), (872, 5705), (1090, 4564), (1141, 4360), (1304, 3815), (1526, 3260), (1630, 3052), (2180, 2282)]