223847740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1289}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 496288800

約数和(自身を除く): 272441060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 457, 914, 1289, 1828, 2285, 2578, 4570, 5156, 6445, 8683, 9140, 12890, 17366, 24491, 25780, 34732, 43415, 48982, 86830, 97964, 122455, 173660, 244910, 489820, 589073, 1178146, 2356292, 2945365, 5890730, 11192387, 11781460, 22384774, 44769548, 55961935, 111923870, 223847740]

約数ペア:

[(1, 223847740), (2, 111923870), (4, 55961935), (5, 44769548), (10, 22384774), (19, 11781460), (20, 11192387), (38, 5890730), (76, 2945365), (95, 2356292), (190, 1178146), (380, 589073), (457, 489820), (914, 244910), (1289, 173660), (1828, 122455), (2285, 97964), (2578, 86830), (4570, 48982), (5156, 43415), (6445, 34732), (8683, 25780), (9140, 24491), (12890, 17366)]