211816920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{252163}}^1$

素因数の和:252184

約数の個数: 64

約数和(自身を含む): 726232320

約数和(自身を除く): 514415400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 252163, 504326, 756489, 1008652, 1260815, 1512978, 1765141, 2017304, 2521630, 3025956, 3530282, 3782445, 5043260, 5295423, 6051912, 7060564, 7564890, 8825705, 10086520, 10590846, 14121128, 15129780, 17651410, 21181692, 26477115, 30259560, 35302820, 42363384, 52954230, 70605640, 105908460, 211816920]

約数ペア:

[(1, 211816920), (2, 105908460), (3, 70605640), (4, 52954230), (5, 42363384), (6, 35302820), (7, 30259560), (8, 26477115), (10, 21181692), (12, 17651410), (14, 15129780), (15, 14121128), (20, 10590846), (21, 10086520), (24, 8825705), (28, 7564890), (30, 7060564), (35, 6051912), (40, 5295423), (42, 5043260), (56, 3782445), (60, 3530282), (70, 3025956), (84, 2521630), (105, 2017304), (120, 1765141), (140, 1512978), (168, 1260815), (210, 1008652), (280, 756489), (420, 504326), (840, 252163)]