28486020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2129}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 80156160

約数和(自身を除く): 51670140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 2129, 2230, 2676, 3345, 4258, 4460, 6387, 6690, 8516, 10645, 12774, 13380, 21290, 25548, 31935, 42580, 63870, 127740, 474767, 949534, 1424301, 1899068, 2373835, 2848602, 4747670, 5697204, 7121505, 9495340, 14243010, 28486020]

約数ペア:

[(1, 28486020), (2, 14243010), (3, 9495340), (4, 7121505), (5, 5697204), (6, 4747670), (10, 2848602), (12, 2373835), (15, 1899068), (20, 1424301), (30, 949534), (60, 474767), (223, 127740), (446, 63870), (669, 42580), (892, 31935), (1115, 25548), (1338, 21290), (2129, 13380), (2230, 12774), (2676, 10645), (3345, 8516), (4258, 6690), (4460, 6387)]