85880890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 167650560

約数和(自身を除く): 81769670

約数列:

[1, 2, 5, 10, 29, 43, 58, 71, 86, 97, 142, 145, 194, 215, 290, 355, 430, 485, 710, 970, 1247, 2059, 2494, 2813, 3053, 4118, 4171, 5626, 6106, 6235, 6887, 8342, 10295, 12470, 13774, 14065, 15265, 20590, 20855, 28130, 30530, 34435, 41710, 68870, 88537, 120959, 177074, 199723, 241918, 296141, 399446, 442685, 592282, 604795, 885370, 998615, 1209590, 1480705, 1997230, 2961410, 8588089, 17176178, 42940445, 85880890]

約数ペア:

[(1, 85880890), (2, 42940445), (5, 17176178), (10, 8588089), (29, 2961410), (43, 1997230), (58, 1480705), (71, 1209590), (86, 998615), (97, 885370), (142, 604795), (145, 592282), (194, 442685), (215, 399446), (290, 296141), (355, 241918), (430, 199723), (485, 177074), (710, 120959), (970, 88537), (1247, 68870), (2059, 41710), (2494, 34435), (2813, 30530), (3053, 28130), (4118, 20855), (4171, 20590), (5626, 15265), (6106, 14065), (6235, 13774), (6887, 12470), (8342, 10295)]