423797140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{3347}}^1$

素因数の和:3856

約数の個数: 48

約数和(自身を含む): 960688512

約数和(自身を除く): 536891372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 1948, 2435, 3347, 4870, 6331, 6694, 9740, 12662, 13388, 16735, 25324, 31655, 33470, 43511, 63310, 66940, 87022, 126620, 174044, 217555, 435110, 870220, 1629989, 3259978, 6519956, 8149945, 16299890, 21189857, 32599780, 42379714, 84759428, 105949285, 211898570, 423797140]

約数ペア:

[(1, 423797140), (2, 211898570), (4, 105949285), (5, 84759428), (10, 42379714), (13, 32599780), (20, 21189857), (26, 16299890), (52, 8149945), (65, 6519956), (130, 3259978), (260, 1629989), (487, 870220), (974, 435110), (1948, 217555), (2435, 174044), (3347, 126620), (4870, 87022), (6331, 66940), (6694, 63310), (9740, 43511), (12662, 33470), (13388, 31655), (16735, 25324)]