200378255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 314772480

約数和(自身を除く): 114394225

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 131, 137, 145, 203, 319, 385, 655, 685, 917, 959, 1015, 1441, 1507, 1595, 2233, 3799, 3973, 4585, 4795, 7205, 7535, 10087, 10549, 11165, 17947, 18995, 19865, 26593, 27811, 41789, 43703, 50435, 52745, 89735, 125629, 132965, 139055, 197417, 208945, 218515, 292523, 305921, 520463, 628145, 987085, 1381919, 1462615, 1529605, 2602315, 3643241, 5725093, 6909595, 18216205, 28625465, 40075651, 200378255]

約数ペア:

[(1, 200378255), (5, 40075651), (7, 28625465), (11, 18216205), (29, 6909595), (35, 5725093), (55, 3643241), (77, 2602315), (131, 1529605), (137, 1462615), (145, 1381919), (203, 987085), (319, 628145), (385, 520463), (655, 305921), (685, 292523), (917, 218515), (959, 208945), (1015, 197417), (1441, 139055), (1507, 132965), (1595, 125629), (2233, 89735), (3799, 52745), (3973, 50435), (4585, 43703), (4795, 41789), (7205, 27811), (7535, 26593), (10087, 19865), (10549, 18995), (11165, 17947)]