247852720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163061}}^1$

素因数の和:163093

約数の個数: 40

約数和(自身を含む): 606590640

約数和(自身を除く): 358737920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 163061, 326122, 652244, 815305, 1304488, 1630610, 2608976, 3098159, 3261220, 6196318, 6522440, 12392636, 13044880, 15490795, 24785272, 30981590, 49570544, 61963180, 123926360, 247852720]

約数ペア:

[(1, 247852720), (2, 123926360), (4, 61963180), (5, 49570544), (8, 30981590), (10, 24785272), (16, 15490795), (19, 13044880), (20, 12392636), (38, 6522440), (40, 6196318), (76, 3261220), (80, 3098159), (95, 2608976), (152, 1630610), (190, 1304488), (304, 815305), (380, 652244), (760, 326122), (1520, 163061)]