209719620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9629}}^1$

素因数の和:9666

約数の個数: 108

約数和(自身を含む): 699311340

約数和(自身を除く): 489591720

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, 9629, 10890, 19258, 21780, 28887, 38516, 48145, 57774, 86661, 96290, 105919, 115548, 144435, 173322, 192580, 211838, 288870, 317757, 346644, 423676, 433305, 529595, 577740, 635514, 866610, 953271, 1059190, 1165109, 1271028, 1588785, 1733220, 1906542, 2118380, 2330218, 3177570, 3495327, 3813084, 4660436, 4766355, 5825545, 6355140, 6990654, 9532710, 10485981, 11651090, 13981308, 17476635, 19065420, 20971962, 23302180, 34953270, 41943924, 52429905, 69906540, 104859810, 209719620]

約数ペア:

[(1, 209719620), (2, 104859810), (3, 69906540), (4, 52429905), (5, 41943924), (6, 34953270), (9, 23302180), (10, 20971962), (11, 19065420), (12, 17476635), (15, 13981308), (18, 11651090), (20, 10485981), (22, 9532710), (30, 6990654), (33, 6355140), (36, 5825545), (44, 4766355), (45, 4660436), (55, 3813084), (60, 3495327), (66, 3177570), (90, 2330218), (99, 2118380), (110, 1906542), (121, 1733220), (132, 1588785), (165, 1271028), (180, 1165109), (198, 1059190), (220, 953271), (242, 866610), (330, 635514), (363, 577740), (396, 529595), (484, 433305), (495, 423676), (605, 346644), (660, 317757), (726, 288870), (990, 211838), (1089, 192580), (1210, 173322), (1452, 144435), (1815, 115548), (1980, 105919), (2178, 96290), (2420, 86661), (3630, 57774), (4356, 48145), (5445, 38516), (7260, 28887), (9629, 21780), (10890, 19258)]