198216190

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 361972800

約数和(自身を除く): 163756610

約数列:

[1, 2, 5, 10, 149, 151, 298, 302, 745, 755, 881, 1490, 1510, 1762, 4405, 8810, 22499, 44998, 112495, 131269, 133031, 224990, 262538, 266062, 656345, 665155, 1312690, 1330310, 19821619, 39643238, 99108095, 198216190]

約数ペア:

[(1, 198216190), (2, 99108095), (5, 39643238), (10, 19821619), (149, 1330310), (151, 1312690), (298, 665155), (302, 656345), (745, 266062), (755, 262538), (881, 224990), (1490, 133031), (1510, 131269), (1762, 112495), (4405, 44998), (8810, 22499)]