8627140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 19393920

約数和(自身を除く): 10766780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 311, 365, 380, 622, 730, 1244, 1387, 1460, 1555, 2774, 3110, 5548, 5909, 6220, 6935, 11818, 13870, 22703, 23636, 27740, 29545, 45406, 59090, 90812, 113515, 118180, 227030, 431357, 454060, 862714, 1725428, 2156785, 4313570, 8627140]

約数ペア:

[(1, 8627140), (2, 4313570), (4, 2156785), (5, 1725428), (10, 862714), (19, 454060), (20, 431357), (38, 227030), (73, 118180), (76, 113515), (95, 90812), (146, 59090), (190, 45406), (292, 29545), (311, 27740), (365, 23636), (380, 22703), (622, 13870), (730, 11818), (1244, 6935), (1387, 6220), (1460, 5909), (1555, 5548), (2774, 3110)]