211220820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{24967}}^1$

素因数の和:25029

約数の個数: 72

約数和(自身を含む): 654361344

約数和(自身を除く): 443140524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 24967, 49934, 74901, 99868, 124835, 149802, 224703, 249670, 299604, 374505, 449406, 499340, 749010, 898812, 1123515, 1173449, 1498020, 2247030, 2346898, 3520347, 4494060, 4693796, 5867245, 7040694, 10561041, 11734490, 14081388, 17601735, 21122082, 23468980, 35203470, 42244164, 52805205, 70406940, 105610410, 211220820]

約数ペア:

[(1, 211220820), (2, 105610410), (3, 70406940), (4, 52805205), (5, 42244164), (6, 35203470), (9, 23468980), (10, 21122082), (12, 17601735), (15, 14081388), (18, 11734490), (20, 10561041), (30, 7040694), (36, 5867245), (45, 4693796), (47, 4494060), (60, 3520347), (90, 2346898), (94, 2247030), (141, 1498020), (180, 1173449), (188, 1123515), (235, 898812), (282, 749010), (423, 499340), (470, 449406), (564, 374505), (705, 299604), (846, 249670), (940, 224703), (1410, 149802), (1692, 124835), (2115, 99868), (2820, 74901), (4230, 49934), (8460, 24967)]