305140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 745920

約数和(自身を除く): 440780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 73, 76, 95, 110, 146, 190, 209, 220, 292, 365, 380, 418, 730, 803, 836, 1045, 1387, 1460, 1606, 2090, 2774, 3212, 4015, 4180, 5548, 6935, 8030, 13870, 15257, 16060, 27740, 30514, 61028, 76285, 152570, 305140]

約数ペア:

[(1, 305140), (2, 152570), (4, 76285), (5, 61028), (10, 30514), (11, 27740), (19, 16060), (20, 15257), (22, 13870), (38, 8030), (44, 6935), (55, 5548), (73, 4180), (76, 4015), (95, 3212), (110, 2774), (146, 2090), (190, 1606), (209, 1460), (220, 1387), (292, 1045), (365, 836), (380, 803), (418, 730)]