396819990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{629873}}^1$

素因数の和:629893

約数の個数: 48

約数和(自身を含む): 1179124128

約数和(自身を除く): 782304138

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 629873, 1259746, 1889619, 3149365, 3779238, 4409111, 5668857, 6298730, 8818222, 9448095, 11337714, 13227333, 18896190, 22045555, 26454666, 28344285, 39681999, 44091110, 56688570, 66136665, 79363998, 132273330, 198409995, 396819990]

約数ペア:

[(1, 396819990), (2, 198409995), (3, 132273330), (5, 79363998), (6, 66136665), (7, 56688570), (9, 44091110), (10, 39681999), (14, 28344285), (15, 26454666), (18, 22045555), (21, 18896190), (30, 13227333), (35, 11337714), (42, 9448095), (45, 8818222), (63, 6298730), (70, 5668857), (90, 4409111), (105, 3779238), (126, 3149365), (210, 1889619), (315, 1259746), (630, 629873)]