19122250

素因数分解:

$2^1\times 5^3\times 7^3\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 22810550

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 223, 245, 250, 343, 350, 446, 490, 686, 875, 1115, 1225, 1561, 1715, 1750, 2230, 2450, 3122, 3430, 5575, 6125, 7805, 8575, 10927, 11150, 12250, 15610, 17150, 21854, 27875, 39025, 42875, 54635, 55750, 76489, 78050, 85750, 109270, 152978, 195125, 273175, 382445, 390250, 546350, 764890, 1365875, 1912225, 2731750, 3824450, 9561125, 19122250]

約数ペア:

[(1, 19122250), (2, 9561125), (5, 3824450), (7, 2731750), (10, 1912225), (14, 1365875), (25, 764890), (35, 546350), (49, 390250), (50, 382445), (70, 273175), (98, 195125), (125, 152978), (175, 109270), (223, 85750), (245, 78050), (250, 76489), (343, 55750), (350, 54635), (446, 42875), (490, 39025), (686, 27875), (875, 21854), (1115, 17150), (1225, 15610), (1561, 12250), (1715, 11150), (1750, 10927), (2230, 8575), (2450, 7805), (3122, 6125), (3430, 5575)]