16389400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 40393620

約数和(自身を除く): 24004220

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 227, 361, 380, 454, 475, 722, 760, 908, 950, 1135, 1444, 1805, 1816, 1900, 2270, 2888, 3610, 3800, 4313, 4540, 5675, 7220, 8626, 9025, 9080, 11350, 14440, 17252, 18050, 21565, 22700, 34504, 36100, 43130, 45400, 72200, 81947, 86260, 107825, 163894, 172520, 215650, 327788, 409735, 431300, 655576, 819470, 862600, 1638940, 2048675, 3277880, 4097350, 8194700, 16389400]

約数ペア:

[(1, 16389400), (2, 8194700), (4, 4097350), (5, 3277880), (8, 2048675), (10, 1638940), (19, 862600), (20, 819470), (25, 655576), (38, 431300), (40, 409735), (50, 327788), (76, 215650), (95, 172520), (100, 163894), (152, 107825), (190, 86260), (200, 81947), (227, 72200), (361, 45400), (380, 43130), (454, 36100), (475, 34504), (722, 22700), (760, 21565), (908, 18050), (950, 17252), (1135, 14440), (1444, 11350), (1805, 9080), (1816, 9025), (1900, 8626), (2270, 7220), (2888, 5675), (3610, 4540), (3800, 4313)]