200017940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12241}}^1$

素因数の和:12312

約数の個数: 48

約数和(自身を含む): 452464320

約数和(自身を除く): 252446380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 12241, 16340, 24482, 48964, 61205, 122410, 232579, 244820, 465158, 526363, 930316, 1052726, 1162895, 2105452, 2325790, 2631815, 4651580, 5263630, 10000897, 10527260, 20001794, 40003588, 50004485, 100008970, 200017940]

約数ペア:

[(1, 200017940), (2, 100008970), (4, 50004485), (5, 40003588), (10, 20001794), (19, 10527260), (20, 10000897), (38, 5263630), (43, 4651580), (76, 2631815), (86, 2325790), (95, 2105452), (172, 1162895), (190, 1052726), (215, 930316), (380, 526363), (430, 465158), (817, 244820), (860, 232579), (1634, 122410), (3268, 61205), (4085, 48964), (8170, 24482), (12241, 16340)]