220933768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6421}}^1$

素因数の和:6478

約数の個数: 64

約数和(自身を含む): 499374720

約数和(自身を除く): 278440952

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 184, 187, 253, 374, 391, 506, 748, 782, 1012, 1496, 1564, 2024, 3128, 4301, 6421, 8602, 12842, 17204, 25684, 34408, 51368, 70631, 109157, 141262, 147683, 218314, 282524, 295366, 436628, 565048, 590732, 873256, 1181464, 1200727, 1624513, 2401454, 2510611, 3249026, 4802908, 5021222, 6498052, 9605816, 10042444, 12996104, 20084888, 27616721, 55233442, 110466884, 220933768]

約数ペア:

[(1, 220933768), (2, 110466884), (4, 55233442), (8, 27616721), (11, 20084888), (17, 12996104), (22, 10042444), (23, 9605816), (34, 6498052), (44, 5021222), (46, 4802908), (68, 3249026), (88, 2510611), (92, 2401454), (136, 1624513), (184, 1200727), (187, 1181464), (253, 873256), (374, 590732), (391, 565048), (506, 436628), (748, 295366), (782, 282524), (1012, 218314), (1496, 147683), (1564, 141262), (2024, 109157), (3128, 70631), (4301, 51368), (6421, 34408), (8602, 25684), (12842, 17204)]