388452120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{462443}}^1$

素因数の和:462464

約数の個数: 64

約数和(自身を含む): 1331838720

約数和(自身を除く): 943386600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 462443, 924886, 1387329, 1849772, 2312215, 2774658, 3237101, 3699544, 4624430, 5549316, 6474202, 6936645, 9248860, 9711303, 11098632, 12948404, 13873290, 16185505, 18497720, 19422606, 25896808, 27746580, 32371010, 38845212, 48556515, 55493160, 64742020, 77690424, 97113030, 129484040, 194226060, 388452120]

約数ペア:

[(1, 388452120), (2, 194226060), (3, 129484040), (4, 97113030), (5, 77690424), (6, 64742020), (7, 55493160), (8, 48556515), (10, 38845212), (12, 32371010), (14, 27746580), (15, 25896808), (20, 19422606), (21, 18497720), (24, 16185505), (28, 13873290), (30, 12948404), (35, 11098632), (40, 9711303), (42, 9248860), (56, 6936645), (60, 6474202), (70, 5549316), (84, 4624430), (105, 3699544), (120, 3237101), (140, 2774658), (168, 2312215), (210, 1849772), (280, 1387329), (420, 924886), (840, 462443)]