201997531580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{280373}}^1$

素因数の和:280575

約数の個数: 96

約数和(自身を含む): 486666460224

約数和(自身を除く): 284668928644

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 163, 170, 221, 260, 326, 340, 442, 652, 815, 884, 1105, 1630, 2119, 2210, 2771, 3260, 4238, 4420, 5542, 8476, 10595, 11084, 13855, 21190, 27710, 36023, 42380, 55420, 72046, 144092, 180115, 280373, 360230, 560746, 720460, 1121492, 1401865, 2803730, 3644849, 4766341, 5607460, 7289698, 9532682, 14579396, 18224245, 19065364, 23831705, 36448490, 45700799, 47663410, 61962433, 72896980, 91401598, 95326820, 123924866, 182803196, 228503995, 247849732, 309812165, 457007990, 594110387, 619624330, 776913583, 914015980, 1188220774, 1239248660, 1553827166, 2376441548, 2970551935, 3107654332, 3884567915, 5941103870, 7769135830, 10099876579, 11882207740, 15538271660, 20199753158, 40399506316, 50499382895, 100998765790, 201997531580]

約数ペア:

[(1, 201997531580), (2, 100998765790), (4, 50499382895), (5, 40399506316), (10, 20199753158), (13, 15538271660), (17, 11882207740), (20, 10099876579), (26, 7769135830), (34, 5941103870), (52, 3884567915), (65, 3107654332), (68, 2970551935), (85, 2376441548), (130, 1553827166), (163, 1239248660), (170, 1188220774), (221, 914015980), (260, 776913583), (326, 619624330), (340, 594110387), (442, 457007990), (652, 309812165), (815, 247849732), (884, 228503995), (1105, 182803196), (1630, 123924866), (2119, 95326820), (2210, 91401598), (2771, 72896980), (3260, 61962433), (4238, 47663410), (4420, 45700799), (5542, 36448490), (8476, 23831705), (10595, 19065364), (11084, 18224245), (13855, 14579396), (21190, 9532682), (27710, 7289698), (36023, 5607460), (42380, 4766341), (55420, 3644849), (72046, 2803730), (144092, 1401865), (180115, 1121492), (280373, 720460), (360230, 560746)]