140358320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 347120640

約数和(自身を除く): 206762320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 152, 190, 214, 304, 380, 428, 535, 760, 856, 863, 1070, 1520, 1712, 1726, 2033, 2140, 3452, 4066, 4280, 4315, 6904, 8132, 8560, 8630, 10165, 13808, 16264, 16397, 17260, 20330, 32528, 32794, 34520, 40660, 65588, 69040, 81320, 81985, 92341, 131176, 162640, 163970, 184682, 262352, 327940, 369364, 461705, 655880, 738728, 923410, 1311760, 1477456, 1754479, 1846820, 3508958, 3693640, 7017916, 7387280, 8772395, 14035832, 17544790, 28071664, 35089580, 70179160, 140358320]

約数ペア:

[(1, 140358320), (2, 70179160), (4, 35089580), (5, 28071664), (8, 17544790), (10, 14035832), (16, 8772395), (19, 7387280), (20, 7017916), (38, 3693640), (40, 3508958), (76, 1846820), (80, 1754479), (95, 1477456), (107, 1311760), (152, 923410), (190, 738728), (214, 655880), (304, 461705), (380, 369364), (428, 327940), (535, 262352), (760, 184682), (856, 163970), (863, 162640), (1070, 131176), (1520, 92341), (1712, 81985), (1726, 81320), (2033, 69040), (2140, 65588), (3452, 40660), (4066, 34520), (4280, 32794), (4315, 32528), (6904, 20330), (8132, 17260), (8560, 16397), (8630, 16264), (10165, 13808)]