205617200

素因数分解:

$2^4\times 5^2\times {\mathrm{331}}^1\times {\mathrm{1553}}^1$

素因数の和:1902

約数の個数: 60

約数和(自身を含む): 495806808

約数和(自身を除く): 290189608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 331, 400, 662, 1324, 1553, 1655, 2648, 3106, 3310, 5296, 6212, 6620, 7765, 8275, 12424, 13240, 15530, 16550, 24848, 26480, 31060, 33100, 38825, 62120, 66200, 77650, 124240, 132400, 155300, 310600, 514043, 621200, 1028086, 2056172, 2570215, 4112344, 5140430, 8224688, 10280860, 12851075, 20561720, 25702150, 41123440, 51404300, 102808600, 205617200]

約数ペア:

[(1, 205617200), (2, 102808600), (4, 51404300), (5, 41123440), (8, 25702150), (10, 20561720), (16, 12851075), (20, 10280860), (25, 8224688), (40, 5140430), (50, 4112344), (80, 2570215), (100, 2056172), (200, 1028086), (331, 621200), (400, 514043), (662, 310600), (1324, 155300), (1553, 132400), (1655, 124240), (2648, 77650), (3106, 66200), (3310, 62120), (5296, 38825), (6212, 33100), (6620, 31060), (7765, 26480), (8275, 24848), (12424, 16550), (13240, 15530)]