7838380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 18768960

約数和(自身を除く): 10930580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 79, 82, 110, 121, 158, 164, 205, 220, 242, 316, 395, 410, 451, 484, 605, 790, 820, 869, 902, 1210, 1580, 1738, 1804, 2255, 2420, 3239, 3476, 4345, 4510, 4961, 6478, 8690, 9020, 9559, 9922, 12956, 16195, 17380, 19118, 19844, 24805, 32390, 35629, 38236, 47795, 49610, 64780, 71258, 95590, 99220, 142516, 178145, 191180, 356290, 391919, 712580, 783838, 1567676, 1959595, 3919190, 7838380]

約数ペア:

[(1, 7838380), (2, 3919190), (4, 1959595), (5, 1567676), (10, 783838), (11, 712580), (20, 391919), (22, 356290), (41, 191180), (44, 178145), (55, 142516), (79, 99220), (82, 95590), (110, 71258), (121, 64780), (158, 49610), (164, 47795), (205, 38236), (220, 35629), (242, 32390), (316, 24805), (395, 19844), (410, 19118), (451, 17380), (484, 16195), (605, 12956), (790, 9922), (820, 9559), (869, 9020), (902, 8690), (1210, 6478), (1580, 4961), (1738, 4510), (1804, 4345), (2255, 3476), (2420, 3239)]