347996020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{3259}}^1$

素因数の和:3568

約数の個数: 48

約数和(自身を含む): 772228800

約数和(自身を除く): 424232780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 380, 562, 1124, 1405, 2810, 3259, 5339, 5620, 6518, 10678, 13036, 16295, 21356, 26695, 32590, 53390, 61921, 65180, 106780, 123842, 247684, 309605, 619210, 915779, 1238420, 1831558, 3663116, 4578895, 9157790, 17399801, 18315580, 34799602, 69599204, 86999005, 173998010, 347996020]

約数ペア:

[(1, 347996020), (2, 173998010), (4, 86999005), (5, 69599204), (10, 34799602), (19, 18315580), (20, 17399801), (38, 9157790), (76, 4578895), (95, 3663116), (190, 1831558), (281, 1238420), (380, 915779), (562, 619210), (1124, 309605), (1405, 247684), (2810, 123842), (3259, 106780), (5339, 65180), (5620, 61921), (6518, 53390), (10678, 32590), (13036, 26695), (16295, 21356)]