207657207980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{987809}}^1$

素因数の和:988298

約数の個数: 48

約数和(自身を含む): 456036315840

約数和(自身を除く): 248379107860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 457, 460, 914, 1828, 2285, 4570, 9140, 10511, 21022, 42044, 52555, 105110, 210220, 987809, 1975618, 3951236, 4939045, 9878090, 19756180, 22719607, 45439214, 90878428, 113598035, 227196070, 451428713, 454392140, 902857426, 1805714852, 2257143565, 4514287130, 9028574260, 10382860399, 20765720798, 41531441596, 51914301995, 103828603990, 207657207980]

約数ペア:

[(1, 207657207980), (2, 103828603990), (4, 51914301995), (5, 41531441596), (10, 20765720798), (20, 10382860399), (23, 9028574260), (46, 4514287130), (92, 2257143565), (115, 1805714852), (230, 902857426), (457, 454392140), (460, 451428713), (914, 227196070), (1828, 113598035), (2285, 90878428), (4570, 45439214), (9140, 22719607), (10511, 19756180), (21022, 9878090), (42044, 4939045), (52555, 3951236), (105110, 1975618), (210220, 987809)]