2309820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 6537888

約数和(自身を除く): 4228068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 281, 411, 548, 562, 685, 822, 843, 1124, 1370, 1405, 1644, 1686, 2055, 2740, 2810, 3372, 4110, 4215, 5620, 8220, 8430, 16860, 38497, 76994, 115491, 153988, 192485, 230982, 384970, 461964, 577455, 769940, 1154910, 2309820]

約数ペア:

[(1, 2309820), (2, 1154910), (3, 769940), (4, 577455), (5, 461964), (6, 384970), (10, 230982), (12, 192485), (15, 153988), (20, 115491), (30, 76994), (60, 38497), (137, 16860), (274, 8430), (281, 8220), (411, 5620), (548, 4215), (562, 4110), (685, 3372), (822, 2810), (843, 2740), (1124, 2055), (1370, 1686), (1405, 1644)]