196931990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{3511}}^1$

素因数の和:3668

約数の個数: 32

約数和(自身を含む): 364124160

約数和(自身を除く): 167192170

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 3511, 5609, 7022, 11218, 17555, 28045, 35110, 56090, 249281, 277369, 498562, 554738, 1246405, 1386845, 2492810, 2773690, 19693199, 39386398, 98465995, 196931990]

約数ペア:

[(1, 196931990), (2, 98465995), (5, 39386398), (10, 19693199), (71, 2773690), (79, 2492810), (142, 1386845), (158, 1246405), (355, 554738), (395, 498562), (710, 277369), (790, 249281), (3511, 56090), (5609, 35110), (7022, 28045), (11218, 17555)]