28653740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 62899200

約数和(自身を除く): 34245460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 290, 389, 508, 580, 635, 778, 1270, 1556, 1945, 2540, 3683, 3890, 7366, 7780, 11281, 14732, 18415, 22562, 36830, 45124, 49403, 56405, 73660, 98806, 112810, 197612, 225620, 247015, 494030, 988060, 1432687, 2865374, 5730748, 7163435, 14326870, 28653740]

約数ペア:

[(1, 28653740), (2, 14326870), (4, 7163435), (5, 5730748), (10, 2865374), (20, 1432687), (29, 988060), (58, 494030), (116, 247015), (127, 225620), (145, 197612), (254, 112810), (290, 98806), (389, 73660), (508, 56405), (580, 49403), (635, 45124), (778, 36830), (1270, 22562), (1556, 18415), (1945, 14732), (2540, 11281), (3683, 7780), (3890, 7366)]