349890660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{277691}}^1$

素因数の和:277713

約数の個数: 72

約数和(自身を含む): 1212958656

約数和(自身を除く): 863067996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 277691, 555382, 833073, 1110764, 1388455, 1666146, 1943837, 2499219, 2776910, 3332292, 3887674, 4165365, 4998438, 5553820, 5831511, 7775348, 8330730, 9719185, 9996876, 11663022, 12496095, 16661460, 17494533, 19438370, 23326044, 24992190, 29157555, 34989066, 38876740, 49984380, 58315110, 69978132, 87472665, 116630220, 174945330, 349890660]

約数ペア:

[(1, 349890660), (2, 174945330), (3, 116630220), (4, 87472665), (5, 69978132), (6, 58315110), (7, 49984380), (9, 38876740), (10, 34989066), (12, 29157555), (14, 24992190), (15, 23326044), (18, 19438370), (20, 17494533), (21, 16661460), (28, 12496095), (30, 11663022), (35, 9996876), (36, 9719185), (42, 8330730), (45, 7775348), (60, 5831511), (63, 5553820), (70, 4998438), (84, 4165365), (90, 3887674), (105, 3332292), (126, 2776910), (140, 2499219), (180, 1943837), (210, 1666146), (252, 1388455), (315, 1110764), (420, 833073), (630, 555382), (1260, 277691)]