2318140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 5461344

約数和(自身を除く): 3143204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 257, 410, 451, 514, 820, 902, 1028, 1285, 1804, 2255, 2570, 2827, 4510, 5140, 5654, 9020, 10537, 11308, 14135, 21074, 28270, 42148, 52685, 56540, 105370, 115907, 210740, 231814, 463628, 579535, 1159070, 2318140]

約数ペア:

[(1, 2318140), (2, 1159070), (4, 579535), (5, 463628), (10, 231814), (11, 210740), (20, 115907), (22, 105370), (41, 56540), (44, 52685), (55, 42148), (82, 28270), (110, 21074), (164, 14135), (205, 11308), (220, 10537), (257, 9020), (410, 5654), (451, 5140), (514, 4510), (820, 2827), (902, 2570), (1028, 2255), (1285, 1804)]