209255580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37501}}^1$

素因数の和:37547

約数の個数: 72

約数和(自身を含む): 655234944

約数和(自身を除く): 445979364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 37501, 75002, 112503, 150004, 187505, 225006, 337509, 375010, 450012, 562515, 675018, 750020, 1125030, 1162531, 1350036, 1687545, 2250060, 2325062, 3375090, 3487593, 4650124, 5812655, 6750180, 6975186, 10462779, 11625310, 13950372, 17437965, 20925558, 23250620, 34875930, 41851116, 52313895, 69751860, 104627790, 209255580]

約数ペア:

[(1, 209255580), (2, 104627790), (3, 69751860), (4, 52313895), (5, 41851116), (6, 34875930), (9, 23250620), (10, 20925558), (12, 17437965), (15, 13950372), (18, 11625310), (20, 10462779), (30, 6975186), (31, 6750180), (36, 5812655), (45, 4650124), (60, 3487593), (62, 3375090), (90, 2325062), (93, 2250060), (124, 1687545), (155, 1350036), (180, 1162531), (186, 1125030), (279, 750020), (310, 675018), (372, 562515), (465, 450012), (558, 375010), (620, 337509), (930, 225006), (1116, 187505), (1395, 150004), (1860, 112503), (2790, 75002), (5580, 37501)]