215575990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{5569}}^1$

素因数の和:5669

約数の個数: 48

約数和(自身を含む): 457185600

約数和(自身を除く): 241609610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 490, 553, 790, 1106, 2765, 3871, 5530, 5569, 7742, 11138, 19355, 27845, 38710, 38983, 55690, 77966, 194915, 272881, 389830, 439951, 545762, 879902, 1364405, 2199755, 2728810, 3079657, 4399510, 6159314, 15398285, 21557599, 30796570, 43115198, 107787995, 215575990]

約数ペア:

[(1, 215575990), (2, 107787995), (5, 43115198), (7, 30796570), (10, 21557599), (14, 15398285), (35, 6159314), (49, 4399510), (70, 3079657), (79, 2728810), (98, 2199755), (158, 1364405), (245, 879902), (395, 545762), (490, 439951), (553, 389830), (790, 272881), (1106, 194915), (2765, 77966), (3871, 55690), (5530, 38983), (5569, 38710), (7742, 27845), (11138, 19355)]