209216013260

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1\times {\mathrm{35099}}^1$

素因数の和:36206

約数の個数: 48

約数和(自身を含む): 440986291200

約数和(自身を除く): 231770277940

約数列:

[1, 2, 4, 5, 10, 20, 491, 607, 982, 1214, 1964, 2428, 2455, 3035, 4910, 6070, 9820, 12140, 35099, 70198, 140396, 175495, 298037, 350990, 596074, 701980, 1192148, 1490185, 2980370, 5960740, 17233609, 21305093, 34467218, 42610186, 68934436, 85220372, 86168045, 106525465, 172336090, 213050930, 344672180, 426101860, 10460800663, 20921601326, 41843202652, 52304003315, 104608006630, 209216013260]

約数ペア:

[(1, 209216013260), (2, 104608006630), (4, 52304003315), (5, 41843202652), (10, 20921601326), (20, 10460800663), (491, 426101860), (607, 344672180), (982, 213050930), (1214, 172336090), (1964, 106525465), (2428, 86168045), (2455, 85220372), (3035, 68934436), (4910, 42610186), (6070, 34467218), (9820, 21305093), (12140, 17233609), (35099, 5960740), (70198, 2980370), (140396, 1490185), (175495, 1192148), (298037, 701980), (350990, 596074)]