4979900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2654

約数の個数: 36

約数和(自身を含む): 11379480

約数和(自身を除く): 6399580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 2621, 5242, 10484, 13105, 26210, 49799, 52420, 65525, 99598, 131050, 199196, 248995, 262100, 497990, 995980, 1244975, 2489950, 4979900]

約数ペア:

[(1, 4979900), (2, 2489950), (4, 1244975), (5, 995980), (10, 497990), (19, 262100), (20, 248995), (25, 199196), (38, 131050), (50, 99598), (76, 65525), (95, 52420), (100, 49799), (190, 26210), (380, 13105), (475, 10484), (950, 5242), (1900, 2621)]