320555144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{33871}}^1$

素因数の和:33910

約数の個数: 48

約数和(自身を含む): 743829120

約数和(自身を除く): 423273976

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2366, 4732, 9464, 33871, 67742, 135484, 237097, 270968, 440323, 474194, 880646, 948388, 1761292, 1896776, 3082261, 3522584, 5724199, 6164522, 11448398, 12329044, 22896796, 24658088, 40069393, 45793592, 80138786, 160277572, 320555144]

約数ペア:

[(1, 320555144), (2, 160277572), (4, 80138786), (7, 45793592), (8, 40069393), (13, 24658088), (14, 22896796), (26, 12329044), (28, 11448398), (52, 6164522), (56, 5724199), (91, 3522584), (104, 3082261), (169, 1896776), (182, 1761292), (338, 948388), (364, 880646), (676, 474194), (728, 440323), (1183, 270968), (1352, 237097), (2366, 135484), (4732, 67742), (9464, 33871)]