380492060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20047}}^1$

素因数の和:20142

約数の個数: 48

約数和(自身を含む): 872328576

約数和(自身を除く): 491836516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 20047, 40094, 80188, 100235, 200470, 260611, 400940, 521222, 1042444, 1303055, 1463431, 2606110, 2926862, 5212220, 5853724, 7317155, 14634310, 19024603, 29268620, 38049206, 76098412, 95123015, 190246030, 380492060]

約数ペア:

[(1, 380492060), (2, 190246030), (4, 95123015), (5, 76098412), (10, 38049206), (13, 29268620), (20, 19024603), (26, 14634310), (52, 7317155), (65, 5853724), (73, 5212220), (130, 2926862), (146, 2606110), (260, 1463431), (292, 1303055), (365, 1042444), (730, 521222), (949, 400940), (1460, 260611), (1898, 200470), (3796, 100235), (4745, 80188), (9490, 40094), (18980, 20047)]