491822320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2837}}^1$

素因数の和:3058

約数の個数: 80

約数和(自身を含む): 1254214368

約数和(自身を除く): 762392048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 394, 440, 788, 880, 985, 1576, 1970, 2167, 2837, 3152, 3940, 4334, 5674, 7880, 8668, 10835, 11348, 14185, 15760, 17336, 21670, 22696, 28370, 31207, 34672, 43340, 45392, 56740, 62414, 86680, 113480, 124828, 156035, 173360, 226960, 249656, 312070, 499312, 558889, 624140, 1117778, 1248280, 2235556, 2496560, 2794445, 4471112, 5588890, 6147779, 8942224, 11177780, 12295558, 22355560, 24591116, 30738895, 44711120, 49182232, 61477790, 98364464, 122955580, 245911160, 491822320]

約数ペア:

[(1, 491822320), (2, 245911160), (4, 122955580), (5, 98364464), (8, 61477790), (10, 49182232), (11, 44711120), (16, 30738895), (20, 24591116), (22, 22355560), (40, 12295558), (44, 11177780), (55, 8942224), (80, 6147779), (88, 5588890), (110, 4471112), (176, 2794445), (197, 2496560), (220, 2235556), (394, 1248280), (440, 1117778), (788, 624140), (880, 558889), (985, 499312), (1576, 312070), (1970, 249656), (2167, 226960), (2837, 173360), (3152, 156035), (3940, 124828), (4334, 113480), (5674, 86680), (7880, 62414), (8668, 56740), (10835, 45392), (11348, 43340), (14185, 34672), (15760, 31207), (17336, 28370), (21670, 22696)]