74201720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 176515200

約数和(自身を除く): 102313480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1361, 1363, 1880, 2722, 2726, 5444, 5452, 6805, 6815, 10888, 10904, 13610, 13630, 27220, 27260, 39469, 54440, 54520, 63967, 78938, 127934, 157876, 197345, 255868, 315752, 319835, 394690, 511736, 639670, 789380, 1279340, 1578760, 1855043, 2558680, 3710086, 7420172, 9275215, 14840344, 18550430, 37100860, 74201720]

約数ペア:

[(1, 74201720), (2, 37100860), (4, 18550430), (5, 14840344), (8, 9275215), (10, 7420172), (20, 3710086), (29, 2558680), (40, 1855043), (47, 1578760), (58, 1279340), (94, 789380), (116, 639670), (145, 511736), (188, 394690), (232, 319835), (235, 315752), (290, 255868), (376, 197345), (470, 157876), (580, 127934), (940, 78938), (1160, 63967), (1361, 54520), (1363, 54440), (1880, 39469), (2722, 27260), (2726, 27220), (5444, 13630), (5452, 13610), (6805, 10904), (6815, 10888)]