91017320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 218641680

約数和(自身を除く): 127624360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 340, 548, 680, 685, 977, 1096, 1370, 1954, 2329, 2740, 3908, 4658, 4885, 5480, 7816, 9316, 9770, 11645, 16609, 18632, 19540, 23290, 33218, 39080, 46580, 66436, 83045, 93160, 132872, 133849, 166090, 267698, 332180, 535396, 664360, 669245, 1070792, 1338490, 2275433, 2676980, 4550866, 5353960, 9101732, 11377165, 18203464, 22754330, 45508660, 91017320]

約数ペア:

[(1, 91017320), (2, 45508660), (4, 22754330), (5, 18203464), (8, 11377165), (10, 9101732), (17, 5353960), (20, 4550866), (34, 2676980), (40, 2275433), (68, 1338490), (85, 1070792), (136, 669245), (137, 664360), (170, 535396), (274, 332180), (340, 267698), (548, 166090), (680, 133849), (685, 132872), (977, 93160), (1096, 83045), (1370, 66436), (1954, 46580), (2329, 39080), (2740, 33218), (3908, 23290), (4658, 19540), (4885, 18632), (5480, 16609), (7816, 11645), (9316, 9770)]