38158750

素因数分解:

$2^1\times 5^4\times 7^3\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 84348000

約数和(自身を除く): 46189250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 89, 98, 125, 175, 178, 245, 250, 343, 350, 445, 490, 623, 625, 686, 875, 890, 1225, 1246, 1250, 1715, 1750, 2225, 2450, 3115, 3430, 4361, 4375, 4450, 6125, 6230, 8575, 8722, 8750, 11125, 12250, 15575, 17150, 21805, 22250, 30527, 30625, 31150, 42875, 43610, 55625, 61054, 61250, 77875, 85750, 109025, 111250, 152635, 155750, 214375, 218050, 305270, 389375, 428750, 545125, 763175, 778750, 1090250, 1526350, 2725625, 3815875, 5451250, 7631750, 19079375, 38158750]

約数ペア:

[(1, 38158750), (2, 19079375), (5, 7631750), (7, 5451250), (10, 3815875), (14, 2725625), (25, 1526350), (35, 1090250), (49, 778750), (50, 763175), (70, 545125), (89, 428750), (98, 389375), (125, 305270), (175, 218050), (178, 214375), (245, 155750), (250, 152635), (343, 111250), (350, 109025), (445, 85750), (490, 77875), (623, 61250), (625, 61054), (686, 55625), (875, 43610), (890, 42875), (1225, 31150), (1246, 30625), (1250, 30527), (1715, 22250), (1750, 21805), (2225, 17150), (2450, 15575), (3115, 12250), (3430, 11125), (4361, 8750), (4375, 8722), (4450, 8575), (6125, 6230)]