1991232358590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{683}}^1\times {\mathrm{15913}}^1$

素因数の和:16834

約数の個数: 128

約数和(自身を含む): 4965730209792

約数和(自身を除く): 2974497851202

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 197, 310, 394, 465, 591, 683, 930, 985, 1182, 1366, 1970, 2049, 2955, 3415, 4098, 5910, 6107, 6830, 10245, 12214, 15913, 18321, 20490, 21173, 30535, 31826, 36642, 42346, 47739, 61070, 63519, 79565, 91605, 95478, 105865, 127038, 134551, 159130, 183210, 211730, 238695, 269102, 317595, 403653, 477390, 493303, 635190, 672755, 807306, 986606, 1345510, 1479909, 2018265, 2466515, 2959818, 3134861, 4036530, 4171081, 4933030, 6269722, 7399545, 8342162, 9404583, 10868579, 12513243, 14799090, 15674305, 18809166, 20855405, 21737158, 25026486, 31348610, 32605737, 41710810, 47022915, 54342895, 62566215, 65211474, 94045830, 97180691, 108685790, 125132430, 163028685, 194361382, 291542073, 326057370, 336925949, 485903455, 583084146, 673851898, 971806910, 1010777847, 1457710365, 1684629745, 2021555694, 2141110063, 2915420730, 3369259490, 4282220126, 5053889235, 6423330189, 10107778470, 10705550315, 12846660378, 21411100630, 32116650945, 64233301890, 66374411953, 132748823906, 199123235859, 331872059765, 398246471718, 663744119530, 995616179295, 1991232358590]

約数ペア:

[(1, 1991232358590), (2, 995616179295), (3, 663744119530), (5, 398246471718), (6, 331872059765), (10, 199123235859), (15, 132748823906), (30, 66374411953), (31, 64233301890), (62, 32116650945), (93, 21411100630), (155, 12846660378), (186, 10705550315), (197, 10107778470), (310, 6423330189), (394, 5053889235), (465, 4282220126), (591, 3369259490), (683, 2915420730), (930, 2141110063), (985, 2021555694), (1182, 1684629745), (1366, 1457710365), (1970, 1010777847), (2049, 971806910), (2955, 673851898), (3415, 583084146), (4098, 485903455), (5910, 336925949), (6107, 326057370), (6830, 291542073), (10245, 194361382), (12214, 163028685), (15913, 125132430), (18321, 108685790), (20490, 97180691), (21173, 94045830), (30535, 65211474), (31826, 62566215), (36642, 54342895), (42346, 47022915), (47739, 41710810), (61070, 32605737), (63519, 31348610), (79565, 25026486), (91605, 21737158), (95478, 20855405), (105865, 18809166), (127038, 15674305), (134551, 14799090), (159130, 12513243), (183210, 10868579), (211730, 9404583), (238695, 8342162), (269102, 7399545), (317595, 6269722), (403653, 4933030), (477390, 4171081), (493303, 4036530), (635190, 3134861), (672755, 2959818), (807306, 2466515), (986606, 2018265), (1345510, 1479909)]