1914641840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{6079}}^1$

素因数の和:6250

約数の個数: 80

約数和(自身を含む): 4632084480

約数和(自身を除く): 2717442640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2480, 2540, 3937, 5080, 6079, 7874, 10160, 12158, 15748, 19685, 24316, 30395, 31496, 39370, 48632, 60790, 62992, 78740, 97264, 121580, 157480, 188449, 243160, 314960, 376898, 486320, 753796, 772033, 942245, 1507592, 1544066, 1884490, 3015184, 3088132, 3768980, 3860165, 6176264, 7537960, 7720330, 12352528, 15075920, 15440660, 23933023, 30881320, 47866046, 61762640, 95732092, 119665115, 191464184, 239330230, 382928368, 478660460, 957320920, 1914641840]

約数ペア:

[(1, 1914641840), (2, 957320920), (4, 478660460), (5, 382928368), (8, 239330230), (10, 191464184), (16, 119665115), (20, 95732092), (31, 61762640), (40, 47866046), (62, 30881320), (80, 23933023), (124, 15440660), (127, 15075920), (155, 12352528), (248, 7720330), (254, 7537960), (310, 6176264), (496, 3860165), (508, 3768980), (620, 3088132), (635, 3015184), (1016, 1884490), (1240, 1544066), (1270, 1507592), (2032, 942245), (2480, 772033), (2540, 753796), (3937, 486320), (5080, 376898), (6079, 314960), (7874, 243160), (10160, 188449), (12158, 157480), (15748, 121580), (19685, 97264), (24316, 78740), (30395, 62992), (31496, 60790), (39370, 48632)]