87884020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1289}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 211518720

約数和(自身を除く): 123634700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1289, 1948, 2435, 2578, 3409, 4870, 5156, 6445, 6818, 9023, 9740, 12890, 13636, 17045, 18046, 25780, 34090, 36092, 45115, 68180, 90230, 180460, 627743, 1255486, 2510972, 3138715, 4394201, 6277430, 8788402, 12554860, 17576804, 21971005, 43942010, 87884020]

約数ペア:

[(1, 87884020), (2, 43942010), (4, 21971005), (5, 17576804), (7, 12554860), (10, 8788402), (14, 6277430), (20, 4394201), (28, 3138715), (35, 2510972), (70, 1255486), (140, 627743), (487, 180460), (974, 90230), (1289, 68180), (1948, 45115), (2435, 36092), (2578, 34090), (3409, 25780), (4870, 18046), (5156, 17045), (6445, 13636), (6818, 12890), (9023, 9740)]