72437260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1229}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 174404160

約数和(自身を除く): 101966900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1229, 1684, 2105, 2458, 2947, 4210, 4916, 5894, 6145, 8420, 8603, 11788, 12290, 14735, 17206, 24580, 29470, 34412, 43015, 58940, 86030, 172060, 517409, 1034818, 2069636, 2587045, 3621863, 5174090, 7243726, 10348180, 14487452, 18109315, 36218630, 72437260]

約数ペア:

[(1, 72437260), (2, 36218630), (4, 18109315), (5, 14487452), (7, 10348180), (10, 7243726), (14, 5174090), (20, 3621863), (28, 2587045), (35, 2069636), (70, 1034818), (140, 517409), (421, 172060), (842, 86030), (1229, 58940), (1684, 43015), (2105, 34412), (2458, 29470), (2947, 24580), (4210, 17206), (4916, 14735), (5894, 12290), (6145, 11788), (8420, 8603)]