305535640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4801}}^1$

素因数の和:4892

約数の個数: 64

約数和(自身を含む): 722604960

約数和(自身を除く): 417069320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 4801, 6364, 7955, 9602, 12728, 15910, 19204, 24005, 31820, 38408, 48010, 63640, 96020, 177637, 192040, 206443, 355274, 412886, 710548, 825772, 888185, 1032215, 1421096, 1651544, 1776370, 2064430, 3552740, 4128860, 7105480, 7638391, 8257720, 15276782, 30553564, 38191955, 61107128, 76383910, 152767820, 305535640]

約数ペア:

[(1, 305535640), (2, 152767820), (4, 76383910), (5, 61107128), (8, 38191955), (10, 30553564), (20, 15276782), (37, 8257720), (40, 7638391), (43, 7105480), (74, 4128860), (86, 3552740), (148, 2064430), (172, 1776370), (185, 1651544), (215, 1421096), (296, 1032215), (344, 888185), (370, 825772), (430, 710548), (740, 412886), (860, 355274), (1480, 206443), (1591, 192040), (1720, 177637), (3182, 96020), (4801, 63640), (6364, 48010), (7955, 38408), (9602, 31820), (12728, 24005), (15910, 19204)]