2179991720

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{73351}}^1$

素因数の和:74105

約数の個数: 32

約数和(自身を含む): 4911649920

約数和(自身を除く): 2731658200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 7430, 14860, 29720, 73351, 146702, 293404, 366755, 586808, 733510, 1467020, 2934040, 54499793, 108999586, 217999172, 272498965, 435998344, 544997930, 1089995860, 2179991720]

約数ペア:

[(1, 2179991720), (2, 1089995860), (4, 544997930), (5, 435998344), (8, 272498965), (10, 217999172), (20, 108999586), (40, 54499793), (743, 2934040), (1486, 1467020), (2972, 733510), (3715, 586808), (5944, 366755), (7430, 293404), (14860, 146702), (29720, 73351)]