171379160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138209}}^1$

素因数の和:138251

約数の個数: 32

約数和(自身を含む): 398044800

約数和(自身を除く): 226665640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 138209, 276418, 552836, 691045, 1105672, 1382090, 2764180, 4284479, 5528360, 8568958, 17137916, 21422395, 34275832, 42844790, 85689580, 171379160]

約数ペア:

[(1, 171379160), (2, 85689580), (4, 42844790), (5, 34275832), (8, 21422395), (10, 17137916), (20, 8568958), (31, 5528360), (40, 4284479), (62, 2764180), (124, 1382090), (155, 1105672), (248, 691045), (310, 552836), (620, 276418), (1240, 138209)]