28883420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2678

約数の個数: 48

約数和(自身を含む): 66074400

約数和(自身を除く): 37190980

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2621, 2755, 5242, 5510, 10484, 11020, 13105, 26210, 49799, 52420, 76009, 99598, 152018, 199196, 248995, 304036, 380045, 497990, 760090, 995980, 1444171, 1520180, 2888342, 5776684, 7220855, 14441710, 28883420]

約数ペア:

[(1, 28883420), (2, 14441710), (4, 7220855), (5, 5776684), (10, 2888342), (19, 1520180), (20, 1444171), (29, 995980), (38, 760090), (58, 497990), (76, 380045), (95, 304036), (116, 248995), (145, 199196), (190, 152018), (290, 99598), (380, 76009), (551, 52420), (580, 49799), (1102, 26210), (2204, 13105), (2621, 11020), (2755, 10484), (5242, 5510)]