320410580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{2357}}^1$

素因数の和:3344

約数の個数: 48

約数和(自身を含む): 770103936

約数和(自身を除く): 449693356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 971, 1942, 2357, 3884, 4714, 4855, 6797, 9428, 9710, 11785, 13594, 16499, 19420, 23570, 27188, 32998, 33985, 47140, 65996, 67970, 82495, 135940, 164990, 329980, 2288647, 4577294, 9154588, 11443235, 16020529, 22886470, 32041058, 45772940, 64082116, 80102645, 160205290, 320410580]

約数ペア:

[(1, 320410580), (2, 160205290), (4, 80102645), (5, 64082116), (7, 45772940), (10, 32041058), (14, 22886470), (20, 16020529), (28, 11443235), (35, 9154588), (70, 4577294), (140, 2288647), (971, 329980), (1942, 164990), (2357, 135940), (3884, 82495), (4714, 67970), (4855, 65996), (6797, 47140), (9428, 33985), (9710, 32998), (11785, 27188), (13594, 23570), (16499, 19420)]