19217967650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{900139}}^1$

素因数の和:900219

約数の個数: 48

約数和(自身を含む): 41521657920

約数和(自身を除く): 22303690270

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1525, 2135, 3050, 4270, 10675, 21350, 900139, 1800278, 4500695, 6300973, 9001390, 12601946, 22503475, 31504865, 45006950, 54908479, 63009730, 109816958, 157524325, 274542395, 315048650, 384359353, 549084790, 768718706, 1372711975, 1921796765, 2745423950, 3843593530, 9608983825, 19217967650]

約数ペア:

[(1, 19217967650), (2, 9608983825), (5, 3843593530), (7, 2745423950), (10, 1921796765), (14, 1372711975), (25, 768718706), (35, 549084790), (50, 384359353), (61, 315048650), (70, 274542395), (122, 157524325), (175, 109816958), (305, 63009730), (350, 54908479), (427, 45006950), (610, 31504865), (854, 22503475), (1525, 12601946), (2135, 9001390), (3050, 6300973), (4270, 4500695), (10675, 1800278), (21350, 900139)]