2117990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 4423680

約数和(自身を除く): 2305690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 383, 395, 553, 766, 790, 1106, 1915, 2681, 2765, 3830, 5362, 5530, 13405, 26810, 30257, 60514, 151285, 211799, 302570, 423598, 1058995, 2117990]

約数ペア:

[(1, 2117990), (2, 1058995), (5, 423598), (7, 302570), (10, 211799), (14, 151285), (35, 60514), (70, 30257), (79, 26810), (158, 13405), (383, 5530), (395, 5362), (553, 3830), (766, 2765), (790, 2681), (1106, 1915)]