2452340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 5733504

約数和(自身を除く): 3281164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 157, 220, 284, 314, 355, 628, 710, 781, 785, 1420, 1562, 1570, 1727, 3124, 3140, 3454, 3905, 6908, 7810, 8635, 11147, 15620, 17270, 22294, 34540, 44588, 55735, 111470, 122617, 222940, 245234, 490468, 613085, 1226170, 2452340]

約数ペア:

[(1, 2452340), (2, 1226170), (4, 613085), (5, 490468), (10, 245234), (11, 222940), (20, 122617), (22, 111470), (44, 55735), (55, 44588), (71, 34540), (110, 22294), (142, 17270), (157, 15620), (220, 11147), (284, 8635), (314, 7810), (355, 6908), (628, 3905), (710, 3454), (781, 3140), (785, 3124), (1420, 1727), (1562, 1570)]