28463960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 74476800

約数和(自身を除く): 46012840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 1723, 2065, 2360, 3304, 3446, 4130, 6892, 8260, 8615, 12061, 13784, 16520, 17230, 24122, 34460, 48244, 60305, 68920, 96488, 101657, 120610, 203314, 241220, 406628, 482440, 508285, 711599, 813256, 1016570, 1423198, 2033140, 2846396, 3557995, 4066280, 5692792, 7115990, 14231980, 28463960]

約数ペア:

[(1, 28463960), (2, 14231980), (4, 7115990), (5, 5692792), (7, 4066280), (8, 3557995), (10, 2846396), (14, 2033140), (20, 1423198), (28, 1016570), (35, 813256), (40, 711599), (56, 508285), (59, 482440), (70, 406628), (118, 241220), (140, 203314), (236, 120610), (280, 101657), (295, 96488), (413, 68920), (472, 60305), (590, 48244), (826, 34460), (1180, 24122), (1652, 17230), (1723, 16520), (2065, 13784), (2360, 12061), (3304, 8615), (3446, 8260), (4130, 6892)]