189969380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 408240000

約数和(自身を除く): 218270620

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 199, 236, 295, 398, 590, 796, 809, 995, 1180, 1618, 1990, 3236, 3980, 4045, 8090, 11741, 16180, 23482, 46964, 47731, 58705, 95462, 117410, 160991, 190924, 234820, 238655, 321982, 477310, 643964, 804955, 954620, 1609910, 3219820, 9498469, 18996938, 37993876, 47492345, 94984690, 189969380]

約数ペア:

[(1, 189969380), (2, 94984690), (4, 47492345), (5, 37993876), (10, 18996938), (20, 9498469), (59, 3219820), (118, 1609910), (199, 954620), (236, 804955), (295, 643964), (398, 477310), (590, 321982), (796, 238655), (809, 234820), (995, 190924), (1180, 160991), (1618, 117410), (1990, 95462), (3236, 58705), (3980, 47731), (4045, 46964), (8090, 23482), (11741, 16180)]