213247980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9791}}^1$

素因数の和:9828

約数の個数: 108

約数和(自身を含む): 711075456

約数和(自身を除く): 497827476

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, 9791, 10890, 19582, 21780, 29373, 39164, 48955, 58746, 88119, 97910, 107701, 117492, 146865, 176238, 195820, 215402, 293730, 323103, 352476, 430804, 440595, 538505, 587460, 646206, 881190, 969309, 1077010, 1184711, 1292412, 1615515, 1762380, 1938618, 2154020, 2369422, 3231030, 3554133, 3877236, 4738844, 4846545, 5923555, 6462060, 7108266, 9693090, 10662399, 11847110, 14216532, 17770665, 19386180, 21324798, 23694220, 35541330, 42649596, 53311995, 71082660, 106623990, 213247980]

約数ペア:

[(1, 213247980), (2, 106623990), (3, 71082660), (4, 53311995), (5, 42649596), (6, 35541330), (9, 23694220), (10, 21324798), (11, 19386180), (12, 17770665), (15, 14216532), (18, 11847110), (20, 10662399), (22, 9693090), (30, 7108266), (33, 6462060), (36, 5923555), (44, 4846545), (45, 4738844), (55, 3877236), (60, 3554133), (66, 3231030), (90, 2369422), (99, 2154020), (110, 1938618), (121, 1762380), (132, 1615515), (165, 1292412), (180, 1184711), (198, 1077010), (220, 969309), (242, 881190), (330, 646206), (363, 587460), (396, 538505), (484, 440595), (495, 430804), (605, 352476), (660, 323103), (726, 293730), (990, 215402), (1089, 195820), (1210, 176238), (1452, 146865), (1815, 117492), (1980, 107701), (2178, 97910), (2420, 88119), (3630, 58746), (4356, 48955), (5445, 39164), (7260, 29373), (9791, 21780), (10890, 19582)]