12684340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 27904464

約数和(自身を除く): 15220124

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 281, 305, 370, 562, 610, 740, 1124, 1220, 1405, 2257, 2810, 4514, 5620, 9028, 10397, 11285, 17141, 20794, 22570, 34282, 41588, 45140, 51985, 68564, 85705, 103970, 171410, 207940, 342820, 634217, 1268434, 2536868, 3171085, 6342170, 12684340]

約数ペア:

[(1, 12684340), (2, 6342170), (4, 3171085), (5, 2536868), (10, 1268434), (20, 634217), (37, 342820), (61, 207940), (74, 171410), (122, 103970), (148, 85705), (185, 68564), (244, 51985), (281, 45140), (305, 41588), (370, 34282), (562, 22570), (610, 20794), (740, 17141), (1124, 11285), (1220, 10397), (1405, 9028), (2257, 5620), (2810, 4514)]