890242570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20219}}^1$

素因数の和:20287

約数の個数: 64

約数和(自身を含む): 1991589120

約数和(自身を除く): 1101346550

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 70, 74, 85, 119, 170, 185, 238, 259, 370, 518, 595, 629, 1190, 1258, 1295, 2590, 3145, 4403, 6290, 8806, 20219, 22015, 40438, 44030, 101095, 141533, 202190, 283066, 343723, 687446, 707665, 748103, 1415330, 1496206, 1718615, 2406061, 3437230, 3740515, 4812122, 5236721, 7481030, 10473442, 12030305, 12717751, 24060610, 25435502, 26183605, 52367210, 63588755, 89024257, 127177510, 178048514, 445121285, 890242570]

約数ペア:

[(1, 890242570), (2, 445121285), (5, 178048514), (7, 127177510), (10, 89024257), (14, 63588755), (17, 52367210), (34, 26183605), (35, 25435502), (37, 24060610), (70, 12717751), (74, 12030305), (85, 10473442), (119, 7481030), (170, 5236721), (185, 4812122), (238, 3740515), (259, 3437230), (370, 2406061), (518, 1718615), (595, 1496206), (629, 1415330), (1190, 748103), (1258, 707665), (1295, 687446), (2590, 343723), (3145, 283066), (4403, 202190), (6290, 141533), (8806, 101095), (20219, 44030), (22015, 40438)]