397784320

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2447}}^1$

素因数の和:2595

約数の個数: 72

約数和(自身を含む): 960712704

約数和(自身を除く): 562928384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2447, 2540, 4064, 4894, 5080, 8128, 9788, 10160, 12235, 16256, 19576, 20320, 24470, 32512, 39152, 40640, 48940, 78304, 81280, 97880, 156608, 162560, 195760, 310769, 313216, 391520, 621538, 626432, 783040, 1243076, 1553845, 1566080, 2486152, 3107690, 3132160, 4972304, 6215380, 9944608, 12430760, 19889216, 24861520, 39778432, 49723040, 79556864, 99446080, 198892160, 397784320]

約数ペア:

[(1, 397784320), (2, 198892160), (4, 99446080), (5, 79556864), (8, 49723040), (10, 39778432), (16, 24861520), (20, 19889216), (32, 12430760), (40, 9944608), (64, 6215380), (80, 4972304), (127, 3132160), (128, 3107690), (160, 2486152), (254, 1566080), (256, 1553845), (320, 1243076), (508, 783040), (635, 626432), (640, 621538), (1016, 391520), (1270, 313216), (1280, 310769), (2032, 195760), (2447, 162560), (2540, 156608), (4064, 97880), (4894, 81280), (5080, 78304), (8128, 48940), (9788, 40640), (10160, 39152), (12235, 32512), (16256, 24470), (19576, 20320)]