2781569356520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{17981}}^1\times {\mathrm{28229}}^1$

素因数の和:46358

約数の個数: 64

約数和(自身を含む): 6304787701200

約数和(自身を除く): 3523218344680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 17981, 28229, 35962, 56458, 71924, 89905, 112916, 141145, 143848, 179810, 225832, 282290, 359620, 564580, 719240, 1129160, 2463397, 3867373, 4926794, 7734746, 9853588, 12316985, 15469492, 19336865, 19707176, 24633970, 30938984, 38673730, 49267940, 77347460, 98535880, 154694920, 507585649, 1015171298, 2030342596, 2537928245, 4060685192, 5075856490, 10151712980, 20303425960, 69539233913, 139078467826, 278156935652, 347696169565, 556313871304, 695392339130, 1390784678260, 2781569356520]

約数ペア:

[(1, 2781569356520), (2, 1390784678260), (4, 695392339130), (5, 556313871304), (8, 347696169565), (10, 278156935652), (20, 139078467826), (40, 69539233913), (137, 20303425960), (274, 10151712980), (548, 5075856490), (685, 4060685192), (1096, 2537928245), (1370, 2030342596), (2740, 1015171298), (5480, 507585649), (17981, 154694920), (28229, 98535880), (35962, 77347460), (56458, 49267940), (71924, 38673730), (89905, 30938984), (112916, 24633970), (141145, 19707176), (143848, 19336865), (179810, 15469492), (225832, 12316985), (282290, 9853588), (359620, 7734746), (564580, 4926794), (719240, 3867373), (1129160, 2463397)]