308889109640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1\times {\mathrm{3739}}^1$

素因数の和:5371

約数の個数: 128

約数和(自身を含む): 742566528000

約数和(自身を除く): 433677418360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1531, 2698, 2840, 3062, 3739, 5396, 6124, 6745, 7478, 7655, 10792, 12248, 13490, 14956, 15310, 18695, 26980, 29089, 29912, 30620, 37390, 53960, 58178, 61240, 71041, 74780, 108701, 116356, 142082, 145445, 149560, 217402, 232712, 265469, 284164, 290890, 355205, 434804, 530938, 543505, 568328, 581780, 710410, 869608, 1061876, 1087010, 1163560, 1327345, 1420820, 2065319, 2123752, 2174020, 2654690, 2841640, 4130638, 4348040, 5043911, 5309380, 5724409, 8261276, 10087822, 10326595, 10618760, 11448818, 16522552, 20175644, 20653190, 22897636, 25219555, 28622045, 40351288, 41306380, 45795272, 50439110, 57244090, 82612760, 100878220, 108763771, 114488180, 201756440, 217527542, 228976360, 406433039, 435055084, 543818855, 812866078, 870110168, 1087637710, 1625732156, 2032165195, 2175275420, 3251464312, 4064330390, 4350550840, 7722227741, 8128660780, 15444455482, 16257321560, 30888910964, 38611138705, 61777821928, 77222277410, 154444554820, 308889109640]

約数ペア:

[(1, 308889109640), (2, 154444554820), (4, 77222277410), (5, 61777821928), (8, 38611138705), (10, 30888910964), (19, 16257321560), (20, 15444455482), (38, 8128660780), (40, 7722227741), (71, 4350550840), (76, 4064330390), (95, 3251464312), (142, 2175275420), (152, 2032165195), (190, 1625732156), (284, 1087637710), (355, 870110168), (380, 812866078), (568, 543818855), (710, 435055084), (760, 406433039), (1349, 228976360), (1420, 217527542), (1531, 201756440), (2698, 114488180), (2840, 108763771), (3062, 100878220), (3739, 82612760), (5396, 57244090), (6124, 50439110), (6745, 45795272), (7478, 41306380), (7655, 40351288), (10792, 28622045), (12248, 25219555), (13490, 22897636), (14956, 20653190), (15310, 20175644), (18695, 16522552), (26980, 11448818), (29089, 10618760), (29912, 10326595), (30620, 10087822), (37390, 8261276), (53960, 5724409), (58178, 5309380), (61240, 5043911), (71041, 4348040), (74780, 4130638), (108701, 2841640), (116356, 2654690), (142082, 2174020), (145445, 2123752), (149560, 2065319), (217402, 1420820), (232712, 1327345), (265469, 1163560), (284164, 1087010), (290890, 1061876), (355205, 869608), (434804, 710410), (530938, 581780), (543505, 568328)]