7139500720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{279761}}^1$

素因数の和:279814

約数の個数: 80

約数和(自身を含む): 18732863520

約数和(自身を除く): 11593362800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 25520, 279761, 559522, 1119044, 1398805, 2238088, 2797610, 3077371, 4476176, 5595220, 6154742, 8113069, 11190440, 12309484, 15386855, 16226138, 22380880, 24618968, 30773710, 32452276, 40565345, 49237936, 61547420, 64904552, 81130690, 89243759, 123094840, 129809104, 162261380, 178487518, 246189680, 324522760, 356975036, 446218795, 649045520, 713950072, 892437590, 1427900144, 1784875180, 3569750360, 7139500720]

約数ペア:

[(1, 7139500720), (2, 3569750360), (4, 1784875180), (5, 1427900144), (8, 892437590), (10, 713950072), (11, 649045520), (16, 446218795), (20, 356975036), (22, 324522760), (29, 246189680), (40, 178487518), (44, 162261380), (55, 129809104), (58, 123094840), (80, 89243759), (88, 81130690), (110, 64904552), (116, 61547420), (145, 49237936), (176, 40565345), (220, 32452276), (232, 30773710), (290, 24618968), (319, 22380880), (440, 16226138), (464, 15386855), (580, 12309484), (638, 11190440), (880, 8113069), (1160, 6154742), (1276, 5595220), (1595, 4476176), (2320, 3077371), (2552, 2797610), (3190, 2238088), (5104, 1398805), (6380, 1119044), (12760, 559522), (25520, 279761)]