87379880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312071}}^1$

素因数の和:312089

約数の個数: 32

約数和(自身を含む): 224691840

約数和(自身を除く): 137311960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312071, 624142, 1248284, 1560355, 2184497, 2496568, 3120710, 4368994, 6241420, 8737988, 10922485, 12482840, 17475976, 21844970, 43689940, 87379880]

約数ペア:

[(1, 87379880), (2, 43689940), (4, 21844970), (5, 17475976), (7, 12482840), (8, 10922485), (10, 8737988), (14, 6241420), (20, 4368994), (28, 3120710), (35, 2496568), (40, 2184497), (56, 1560355), (70, 1248284), (140, 624142), (280, 312071)]