28176140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 35327860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1049, 1343, 1580, 2098, 2686, 4196, 5245, 5372, 6715, 10490, 13430, 17833, 20980, 26860, 35666, 71332, 82871, 89165, 165742, 178330, 331484, 356660, 414355, 828710, 1408807, 1657420, 2817614, 5635228, 7044035, 14088070, 28176140]

約数ペア:

[(1, 28176140), (2, 14088070), (4, 7044035), (5, 5635228), (10, 2817614), (17, 1657420), (20, 1408807), (34, 828710), (68, 414355), (79, 356660), (85, 331484), (158, 178330), (170, 165742), (316, 89165), (340, 82871), (395, 71332), (790, 35666), (1049, 26860), (1343, 20980), (1580, 17833), (2098, 13430), (2686, 10490), (4196, 6715), (5245, 5372)]