2101959580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{22783}}^1$

素因数の和:23458

約数の個数: 48

約数和(自身を含む): 5052579840

約数和(自身を除く): 2950620260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2636, 3295, 4613, 6590, 9226, 13180, 18452, 22783, 23065, 45566, 46130, 91132, 92260, 113915, 159481, 227830, 318962, 455660, 637924, 797405, 1594810, 3189620, 15013997, 30027994, 60055988, 75069985, 105097979, 150139970, 210195958, 300279940, 420391916, 525489895, 1050979790, 2101959580]

約数ペア:

[(1, 2101959580), (2, 1050979790), (4, 525489895), (5, 420391916), (7, 300279940), (10, 210195958), (14, 150139970), (20, 105097979), (28, 75069985), (35, 60055988), (70, 30027994), (140, 15013997), (659, 3189620), (1318, 1594810), (2636, 797405), (3295, 637924), (4613, 455660), (6590, 318962), (9226, 227830), (13180, 159481), (18452, 113915), (22783, 92260), (23065, 91132), (45566, 46130)]