87905580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209299}}^1$

素因数の和:209318

約数の個数: 48

約数和(自身を含む): 281299200

約数和(自身を除く): 193393620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 209299, 418598, 627897, 837196, 1046495, 1255794, 1465093, 2092990, 2511588, 2930186, 3139485, 4185980, 4395279, 5860372, 6278970, 7325465, 8790558, 12557940, 14650930, 17581116, 21976395, 29301860, 43952790, 87905580]

約数ペア:

[(1, 87905580), (2, 43952790), (3, 29301860), (4, 21976395), (5, 17581116), (6, 14650930), (7, 12557940), (10, 8790558), (12, 7325465), (14, 6278970), (15, 5860372), (20, 4395279), (21, 4185980), (28, 3139485), (30, 2930186), (35, 2511588), (42, 2092990), (60, 1465093), (70, 1255794), (84, 1046495), (105, 837196), (140, 627897), (210, 418598), (420, 209299)]