28440010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 53298000

約数和(自身を除く): 24857990

約数列:

[1, 2, 5, 10, 29, 58, 145, 281, 290, 349, 562, 698, 1405, 1745, 2810, 3490, 8149, 10121, 16298, 20242, 40745, 50605, 81490, 98069, 101210, 196138, 490345, 980690, 2844001, 5688002, 14220005, 28440010]

約数ペア:

[(1, 28440010), (2, 14220005), (5, 5688002), (10, 2844001), (29, 980690), (58, 490345), (145, 196138), (281, 101210), (290, 98069), (349, 81490), (562, 50605), (698, 40745), (1405, 20242), (1745, 16298), (2810, 10121), (3490, 8149)]