78815740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3929}}^1$

素因数の和:4014

約数の個数: 48

約数和(自身を含む): 178264800

約数和(自身を除く): 99449060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 3929, 4012, 5015, 7858, 10030, 15716, 19645, 20060, 39290, 66793, 78580, 133586, 231811, 267172, 333965, 463622, 667930, 927244, 1159055, 1335860, 2318110, 3940787, 4636220, 7881574, 15763148, 19703935, 39407870, 78815740]

約数ペア:

[(1, 78815740), (2, 39407870), (4, 19703935), (5, 15763148), (10, 7881574), (17, 4636220), (20, 3940787), (34, 2318110), (59, 1335860), (68, 1159055), (85, 927244), (118, 667930), (170, 463622), (236, 333965), (295, 267172), (340, 231811), (590, 133586), (1003, 78580), (1180, 66793), (2006, 39290), (3929, 20060), (4012, 19645), (5015, 15716), (7858, 10030)]