4871020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3163}}^1$

素因数の和:3190

約数の個数: 48

約数和(自身を含む): 12757248

約数和(自身を除く): 7886228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 3163, 6326, 12652, 15815, 22141, 31630, 34793, 44282, 63260, 69586, 88564, 110705, 139172, 173965, 221410, 243551, 347930, 442820, 487102, 695860, 974204, 1217755, 2435510, 4871020]

約数ペア:

[(1, 4871020), (2, 2435510), (4, 1217755), (5, 974204), (7, 695860), (10, 487102), (11, 442820), (14, 347930), (20, 243551), (22, 221410), (28, 173965), (35, 139172), (44, 110705), (55, 88564), (70, 69586), (77, 63260), (110, 44282), (140, 34793), (154, 31630), (220, 22141), (308, 15815), (385, 12652), (770, 6326), (1540, 3163)]