68422040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 163231200

約数和(自身を除く): 94809160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 457, 760, 788, 914, 985, 1576, 1828, 1970, 2285, 3656, 3743, 3940, 4570, 7486, 7880, 8683, 9140, 14972, 17366, 18280, 18715, 29944, 34732, 37430, 43415, 69464, 74860, 86830, 90029, 149720, 173660, 180058, 347320, 360116, 450145, 720232, 900290, 1710551, 1800580, 3421102, 3601160, 6842204, 8552755, 13684408, 17105510, 34211020, 68422040]

約数ペア:

[(1, 68422040), (2, 34211020), (4, 17105510), (5, 13684408), (8, 8552755), (10, 6842204), (19, 3601160), (20, 3421102), (38, 1800580), (40, 1710551), (76, 900290), (95, 720232), (152, 450145), (190, 360116), (197, 347320), (380, 180058), (394, 173660), (457, 149720), (760, 90029), (788, 86830), (914, 74860), (985, 69464), (1576, 43415), (1828, 37430), (1970, 34732), (2285, 29944), (3656, 18715), (3743, 18280), (3940, 17366), (4570, 14972), (7486, 9140), (7880, 8683)]