285873640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{3253}}^1$

素因数の和:3303

約数の個数: 64

約数和(自身を含む): 697006800

約数和(自身を除く): 411133160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 3253, 3380, 4394, 6506, 6760, 8788, 10985, 13012, 16265, 17576, 21970, 26024, 32530, 42289, 43940, 65060, 84578, 87880, 130120, 169156, 211445, 338312, 422890, 549757, 845780, 1099514, 1691560, 2199028, 2748785, 4398056, 5497570, 7146841, 10995140, 14293682, 21990280, 28587364, 35734205, 57174728, 71468410, 142936820, 285873640]

約数ペア:

[(1, 285873640), (2, 142936820), (4, 71468410), (5, 57174728), (8, 35734205), (10, 28587364), (13, 21990280), (20, 14293682), (26, 10995140), (40, 7146841), (52, 5497570), (65, 4398056), (104, 2748785), (130, 2199028), (169, 1691560), (260, 1099514), (338, 845780), (520, 549757), (676, 422890), (845, 338312), (1352, 211445), (1690, 169156), (2197, 130120), (3253, 87880), (3380, 84578), (4394, 65060), (6506, 43940), (6760, 42289), (8788, 32530), (10985, 26024), (13012, 21970), (16265, 17576)]