40502980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1499}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 97776000

約数和(自身を除く): 57273020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1499, 1930, 2702, 2998, 3860, 5404, 5996, 6755, 7495, 10493, 13510, 14990, 20986, 27020, 29980, 41972, 52465, 104930, 209860, 289307, 578614, 1157228, 1446535, 2025149, 2893070, 4050298, 5786140, 8100596, 10125745, 20251490, 40502980]

約数ペア:

[(1, 40502980), (2, 20251490), (4, 10125745), (5, 8100596), (7, 5786140), (10, 4050298), (14, 2893070), (20, 2025149), (28, 1446535), (35, 1157228), (70, 578614), (140, 289307), (193, 209860), (386, 104930), (772, 52465), (965, 41972), (1351, 29980), (1499, 27020), (1930, 20986), (2702, 14990), (2998, 13510), (3860, 10493), (5404, 7495), (5996, 6755)]