28751660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5009}}^1$

素因数の和:5066

約数の個数: 48

約数和(自身を含む): 70701120

約数和(自身を除く): 41949460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5009, 5740, 10018, 20036, 25045, 35063, 50090, 70126, 100180, 140252, 175315, 205369, 350630, 410738, 701260, 821476, 1026845, 1437583, 2053690, 2875166, 4107380, 5750332, 7187915, 14375830, 28751660]

約数ペア:

[(1, 28751660), (2, 14375830), (4, 7187915), (5, 5750332), (7, 4107380), (10, 2875166), (14, 2053690), (20, 1437583), (28, 1026845), (35, 821476), (41, 701260), (70, 410738), (82, 350630), (140, 205369), (164, 175315), (205, 140252), (287, 100180), (410, 70126), (574, 50090), (820, 35063), (1148, 25045), (1435, 20036), (2870, 10018), (5009, 5740)]