8340620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 10529140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 467, 470, 893, 934, 940, 1786, 1868, 2335, 3572, 4465, 4670, 8873, 8930, 9340, 17746, 17860, 21949, 35492, 43898, 44365, 87796, 88730, 109745, 177460, 219490, 417031, 438980, 834062, 1668124, 2085155, 4170310, 8340620]

約数ペア:

[(1, 8340620), (2, 4170310), (4, 2085155), (5, 1668124), (10, 834062), (19, 438980), (20, 417031), (38, 219490), (47, 177460), (76, 109745), (94, 88730), (95, 87796), (188, 44365), (190, 43898), (235, 35492), (380, 21949), (467, 17860), (470, 17746), (893, 9340), (934, 8930), (940, 8873), (1786, 4670), (1868, 4465), (2335, 3572)]