89915840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:454

約数の個数: 112

約数和(自身を含む): 247326912

約数和(自身を除く): 157411072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 140, 160, 224, 274, 280, 293, 320, 448, 548, 560, 586, 685, 959, 1096, 1120, 1172, 1370, 1465, 1918, 2051, 2192, 2240, 2344, 2740, 2930, 3836, 4102, 4384, 4688, 4795, 5480, 5860, 7672, 8204, 8768, 9376, 9590, 10255, 10960, 11720, 15344, 16408, 18752, 19180, 20510, 21920, 23440, 30688, 32816, 38360, 40141, 41020, 43840, 46880, 61376, 65632, 76720, 80282, 82040, 93760, 131264, 153440, 160564, 164080, 200705, 280987, 306880, 321128, 328160, 401410, 561974, 642256, 656320, 802820, 1123948, 1284512, 1404935, 1605640, 2247896, 2569024, 2809870, 3211280, 4495792, 5619740, 6422560, 8991584, 11239480, 12845120, 17983168, 22478960, 44957920, 89915840]

約数ペア:

[(1, 89915840), (2, 44957920), (4, 22478960), (5, 17983168), (7, 12845120), (8, 11239480), (10, 8991584), (14, 6422560), (16, 5619740), (20, 4495792), (28, 3211280), (32, 2809870), (35, 2569024), (40, 2247896), (56, 1605640), (64, 1404935), (70, 1284512), (80, 1123948), (112, 802820), (137, 656320), (140, 642256), (160, 561974), (224, 401410), (274, 328160), (280, 321128), (293, 306880), (320, 280987), (448, 200705), (548, 164080), (560, 160564), (586, 153440), (685, 131264), (959, 93760), (1096, 82040), (1120, 80282), (1172, 76720), (1370, 65632), (1465, 61376), (1918, 46880), (2051, 43840), (2192, 41020), (2240, 40141), (2344, 38360), (2740, 32816), (2930, 30688), (3836, 23440), (4102, 21920), (4384, 20510), (4688, 19180), (4795, 18752), (5480, 16408), (5860, 15344), (7672, 11720), (8204, 10960), (8768, 10255), (9376, 9590)]