211570520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2689}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 546177600

約数和(自身を除く): 334607080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1405, 1967, 2248, 2689, 2810, 3934, 5378, 5620, 7868, 9835, 10756, 11240, 13445, 15736, 18823, 19670, 21512, 26890, 37646, 39340, 53780, 75292, 78680, 94115, 107560, 150584, 188230, 376460, 752920, 755609, 1511218, 3022436, 3778045, 5289263, 6044872, 7556090, 10578526, 15112180, 21157052, 26446315, 30224360, 42314104, 52892630, 105785260, 211570520]

約数ペア:

[(1, 211570520), (2, 105785260), (4, 52892630), (5, 42314104), (7, 30224360), (8, 26446315), (10, 21157052), (14, 15112180), (20, 10578526), (28, 7556090), (35, 6044872), (40, 5289263), (56, 3778045), (70, 3022436), (140, 1511218), (280, 755609), (281, 752920), (562, 376460), (1124, 188230), (1405, 150584), (1967, 107560), (2248, 94115), (2689, 78680), (2810, 75292), (3934, 53780), (5378, 39340), (5620, 37646), (7868, 26890), (9835, 21512), (10756, 19670), (11240, 18823), (13445, 15736)]