209471504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1768

約数の個数: 80

約数和(自身を含む): 478927680

約数和(自身を除く): 269456176

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 176, 209, 296, 304, 407, 418, 592, 703, 814, 836, 1406, 1628, 1672, 1693, 2812, 3256, 3344, 3386, 5624, 6512, 6772, 7733, 11248, 13544, 15466, 18623, 27088, 30932, 32167, 37246, 61864, 62641, 64334, 74492, 123728, 125282, 128668, 148984, 250564, 257336, 297968, 353837, 501128, 514672, 689051, 707674, 1002256, 1190179, 1378102, 1415348, 2380358, 2756204, 2830696, 4760716, 5512408, 5661392, 9521432, 11024816, 13091969, 19042864, 26183938, 52367876, 104735752, 209471504]

約数ペア:

[(1, 209471504), (2, 104735752), (4, 52367876), (8, 26183938), (11, 19042864), (16, 13091969), (19, 11024816), (22, 9521432), (37, 5661392), (38, 5512408), (44, 4760716), (74, 2830696), (76, 2756204), (88, 2380358), (148, 1415348), (152, 1378102), (176, 1190179), (209, 1002256), (296, 707674), (304, 689051), (407, 514672), (418, 501128), (592, 353837), (703, 297968), (814, 257336), (836, 250564), (1406, 148984), (1628, 128668), (1672, 125282), (1693, 123728), (2812, 74492), (3256, 64334), (3344, 62641), (3386, 61864), (5624, 37246), (6512, 32167), (6772, 30932), (7733, 27088), (11248, 18623), (13544, 15466)]