212589020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1877}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 511116480

約数和(自身を除く): 298527460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 809, 1618, 1877, 3236, 3754, 4045, 5663, 7508, 8090, 9385, 11326, 13139, 16180, 18770, 22652, 26278, 28315, 37540, 52556, 56630, 65695, 113260, 131390, 262780, 1518493, 3036986, 6073972, 7592465, 10629451, 15184930, 21258902, 30369860, 42517804, 53147255, 106294510, 212589020]

約数ペア:

[(1, 212589020), (2, 106294510), (4, 53147255), (5, 42517804), (7, 30369860), (10, 21258902), (14, 15184930), (20, 10629451), (28, 7592465), (35, 6073972), (70, 3036986), (140, 1518493), (809, 262780), (1618, 131390), (1877, 113260), (3236, 65695), (3754, 56630), (4045, 52556), (5663, 37540), (7508, 28315), (8090, 26278), (9385, 22652), (11326, 18770), (13139, 16180)]