209301790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{8263}}^1$

素因数の和:8436

約数の個数: 32

約数和(自身を含む): 401630400

約数和(自身を除く): 192328610

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 1490, 2533, 5066, 8263, 12665, 16526, 25330, 41315, 82630, 140471, 280942, 702355, 1231187, 1404710, 2462374, 6155935, 12311870, 20930179, 41860358, 104650895, 209301790]

約数ペア:

[(1, 209301790), (2, 104650895), (5, 41860358), (10, 20930179), (17, 12311870), (34, 6155935), (85, 2462374), (149, 1404710), (170, 1231187), (298, 702355), (745, 280942), (1490, 140471), (2533, 82630), (5066, 41315), (8263, 25330), (12665, 16526)]