219515692010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1231781}}^1$

素因数の和:1232110

約数の個数: 32

約数和(自身を含む): 402290146944

約数和(自身を除く): 182774454934

約数列:

[1, 2, 5, 10, 71, 142, 251, 355, 502, 710, 1255, 2510, 17821, 35642, 89105, 178210, 1231781, 2463562, 6158905, 12317810, 87456451, 174912902, 309177031, 437282255, 618354062, 874564510, 1545885155, 3091770310, 21951569201, 43903138402, 109757846005, 219515692010]

約数ペア:

[(1, 219515692010), (2, 109757846005), (5, 43903138402), (10, 21951569201), (71, 3091770310), (142, 1545885155), (251, 874564510), (355, 618354062), (502, 437282255), (710, 309177031), (1255, 174912902), (2510, 87456451), (17821, 12317810), (35642, 6158905), (89105, 2463562), (178210, 1231781)]