205401800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 503170920

約数和(自身を除く): 297769120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 41, 50, 74, 82, 100, 148, 164, 185, 200, 205, 296, 328, 370, 410, 677, 740, 820, 925, 1025, 1354, 1480, 1517, 1640, 1850, 2050, 2708, 3034, 3385, 3700, 4100, 5416, 6068, 6770, 7400, 7585, 8200, 12136, 13540, 15170, 16925, 25049, 27080, 27757, 30340, 33850, 37925, 50098, 55514, 60680, 67700, 75850, 100196, 111028, 125245, 135400, 138785, 151700, 200392, 222056, 250490, 277570, 303400, 500980, 555140, 626225, 693925, 1001960, 1027009, 1110280, 1252450, 1387850, 2054018, 2504900, 2775700, 4108036, 5009800, 5135045, 5551400, 8216072, 10270090, 20540180, 25675225, 41080360, 51350450, 102700900, 205401800]

約数ペア:

[(1, 205401800), (2, 102700900), (4, 51350450), (5, 41080360), (8, 25675225), (10, 20540180), (20, 10270090), (25, 8216072), (37, 5551400), (40, 5135045), (41, 5009800), (50, 4108036), (74, 2775700), (82, 2504900), (100, 2054018), (148, 1387850), (164, 1252450), (185, 1110280), (200, 1027009), (205, 1001960), (296, 693925), (328, 626225), (370, 555140), (410, 500980), (677, 303400), (740, 277570), (820, 250490), (925, 222056), (1025, 200392), (1354, 151700), (1480, 138785), (1517, 135400), (1640, 125245), (1850, 111028), (2050, 100196), (2708, 75850), (3034, 67700), (3385, 60680), (3700, 55514), (4100, 50098), (5416, 37925), (6068, 33850), (6770, 30340), (7400, 27757), (7585, 27080), (8200, 25049), (12136, 16925), (13540, 15170)]