49280840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2411}}^1$

素因数の和:2502

約数の個数: 64

約数和(自身を含む): 128511360

約数和(自身を除く): 79230520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2411, 2555, 2920, 4088, 4822, 5110, 9644, 10220, 12055, 16877, 19288, 20440, 24110, 33754, 48220, 67508, 84385, 96440, 135016, 168770, 176003, 337540, 352006, 675080, 704012, 880015, 1232021, 1408024, 1760030, 2464042, 3520060, 4928084, 6160105, 7040120, 9856168, 12320210, 24640420, 49280840]

約数ペア:

[(1, 49280840), (2, 24640420), (4, 12320210), (5, 9856168), (7, 7040120), (8, 6160105), (10, 4928084), (14, 3520060), (20, 2464042), (28, 1760030), (35, 1408024), (40, 1232021), (56, 880015), (70, 704012), (73, 675080), (140, 352006), (146, 337540), (280, 176003), (292, 168770), (365, 135016), (511, 96440), (584, 84385), (730, 67508), (1022, 48220), (1460, 33754), (2044, 24110), (2411, 20440), (2555, 19288), (2920, 16877), (4088, 12055), (4822, 10220), (5110, 9644)]