209218140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43049}}^1$

素因数の和:43073

約数の個数: 72

約数和(自身を含む): 658148400

約数和(自身を除く): 448930260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 43049, 86098, 129147, 172196, 215245, 258294, 387441, 430490, 516588, 645735, 774882, 860980, 1162323, 1291470, 1549764, 1937205, 2324646, 2582940, 3486969, 3874410, 4649292, 5811615, 6973938, 7748820, 10460907, 11623230, 13947876, 17434845, 20921814, 23246460, 34869690, 41843628, 52304535, 69739380, 104609070, 209218140]

約数ペア:

[(1, 209218140), (2, 104609070), (3, 69739380), (4, 52304535), (5, 41843628), (6, 34869690), (9, 23246460), (10, 20921814), (12, 17434845), (15, 13947876), (18, 11623230), (20, 10460907), (27, 7748820), (30, 6973938), (36, 5811615), (45, 4649292), (54, 3874410), (60, 3486969), (81, 2582940), (90, 2324646), (108, 1937205), (135, 1549764), (162, 1291470), (180, 1162323), (243, 860980), (270, 774882), (324, 645735), (405, 516588), (486, 430490), (540, 387441), (810, 258294), (972, 215245), (1215, 172196), (1620, 129147), (2430, 86098), (4860, 43049)]