211723380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9721}}^1$

素因数の和:9758

約数の個数: 108

約数和(自身を含む): 705992196

約数和(自身を除く): 494268816

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9721, 10890, 19442, 21780, 29163, 38884, 48605, 58326, 87489, 97210, 106931, 116652, 145815, 174978, 194420, 213862, 291630, 320793, 349956, 427724, 437445, 534655, 583260, 641586, 874890, 962379, 1069310, 1176241, 1283172, 1603965, 1749780, 1924758, 2138620, 2352482, 3207930, 3528723, 3849516, 4704964, 4811895, 5881205, 6415860, 7057446, 9623790, 10586169, 11762410, 14114892, 17643615, 19247580, 21172338, 23524820, 35287230, 42344676, 52930845, 70574460, 105861690, 211723380]

約数ペア:

[(1, 211723380), (2, 105861690), (3, 70574460), (4, 52930845), (5, 42344676), (6, 35287230), (9, 23524820), (10, 21172338), (11, 19247580), (12, 17643615), (15, 14114892), (18, 11762410), (20, 10586169), (22, 9623790), (30, 7057446), (33, 6415860), (36, 5881205), (44, 4811895), (45, 4704964), (55, 3849516), (60, 3528723), (66, 3207930), (90, 2352482), (99, 2138620), (110, 1924758), (121, 1749780), (132, 1603965), (165, 1283172), (180, 1176241), (198, 1069310), (220, 962379), (242, 874890), (330, 641586), (363, 583260), (396, 534655), (484, 437445), (495, 427724), (605, 349956), (660, 320793), (726, 291630), (990, 213862), (1089, 194420), (1210, 174978), (1452, 145815), (1815, 116652), (1980, 106931), (2178, 97210), (2420, 87489), (3630, 58326), (4356, 48605), (5445, 38884), (7260, 29163), (9721, 21780), (10890, 19442)]