1388479210

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1\times {\mathrm{1531}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 2531476800

約数和(自身を除く): 1142997590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1019, 1531, 2038, 3062, 5095, 7655, 10190, 15310, 90691, 136259, 181382, 272518, 453455, 681295, 906910, 1362590, 1560089, 3120178, 7800445, 15600890, 138847921, 277695842, 694239605, 1388479210]

約数ペア:

[(1, 1388479210), (2, 694239605), (5, 277695842), (10, 138847921), (89, 15600890), (178, 7800445), (445, 3120178), (890, 1560089), (1019, 1362590), (1531, 906910), (2038, 681295), (3062, 453455), (5095, 272518), (7655, 181382), (10190, 136259), (15310, 90691)]