2819410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 5925312

約数和(自身を除く): 3105902

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 110, 142, 190, 209, 355, 361, 418, 710, 722, 781, 1045, 1349, 1562, 1805, 2090, 2698, 3610, 3905, 3971, 6745, 7810, 7942, 13490, 14839, 19855, 25631, 29678, 39710, 51262, 74195, 128155, 148390, 256310, 281941, 563882, 1409705, 2819410]

約数ペア:

[(1, 2819410), (2, 1409705), (5, 563882), (10, 281941), (11, 256310), (19, 148390), (22, 128155), (38, 74195), (55, 51262), (71, 39710), (95, 29678), (110, 25631), (142, 19855), (190, 14839), (209, 13490), (355, 7942), (361, 7810), (418, 6745), (710, 3971), (722, 3905), (781, 3610), (1045, 2698), (1349, 2090), (1562, 1805)]