858541340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1\times {\mathrm{2039}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 1855828800

約数和(自身を除く): 997287460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 569, 740, 1138, 2039, 2276, 2845, 4078, 5690, 8156, 10195, 11380, 20390, 21053, 40780, 42106, 75443, 84212, 105265, 150886, 210530, 301772, 377215, 421060, 754430, 1160191, 1508860, 2320382, 4640764, 5800955, 11601910, 23203820, 42927067, 85854134, 171708268, 214635335, 429270670, 858541340]

約数ペア:

[(1, 858541340), (2, 429270670), (4, 214635335), (5, 171708268), (10, 85854134), (20, 42927067), (37, 23203820), (74, 11601910), (148, 5800955), (185, 4640764), (370, 2320382), (569, 1508860), (740, 1160191), (1138, 754430), (2039, 421060), (2276, 377215), (2845, 301772), (4078, 210530), (5690, 150886), (8156, 105265), (10195, 84212), (11380, 75443), (20390, 42106), (21053, 40780)]