4996460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 12156480

約数和(自身を除く): 7160020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 401, 445, 623, 802, 890, 1246, 1604, 1780, 2005, 2492, 2807, 3115, 4010, 5614, 6230, 8020, 11228, 12460, 14035, 28070, 35689, 56140, 71378, 142756, 178445, 249823, 356890, 499646, 713780, 999292, 1249115, 2498230, 4996460]

約数ペア:

[(1, 4996460), (2, 2498230), (4, 1249115), (5, 999292), (7, 713780), (10, 499646), (14, 356890), (20, 249823), (28, 178445), (35, 142756), (70, 71378), (89, 56140), (140, 35689), (178, 28070), (356, 14035), (401, 12460), (445, 11228), (623, 8020), (802, 6230), (890, 5614), (1246, 4010), (1604, 3115), (1780, 2807), (2005, 2492)]