26280730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 56689920

約数和(自身を除く): 30409190

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 73, 74, 139, 146, 185, 259, 278, 365, 370, 511, 518, 695, 730, 973, 1022, 1295, 1390, 1946, 2555, 2590, 2701, 4865, 5110, 5143, 5402, 9730, 10147, 10286, 13505, 18907, 20294, 25715, 27010, 36001, 37814, 50735, 51430, 71029, 72002, 94535, 101470, 142058, 180005, 189070, 355145, 360010, 375439, 710290, 750878, 1877195, 2628073, 3754390, 5256146, 13140365, 26280730]

約数ペア:

[(1, 26280730), (2, 13140365), (5, 5256146), (7, 3754390), (10, 2628073), (14, 1877195), (35, 750878), (37, 710290), (70, 375439), (73, 360010), (74, 355145), (139, 189070), (146, 180005), (185, 142058), (259, 101470), (278, 94535), (365, 72002), (370, 71029), (511, 51430), (518, 50735), (695, 37814), (730, 36001), (973, 27010), (1022, 25715), (1295, 20294), (1390, 18907), (1946, 13505), (2555, 10286), (2590, 10147), (2701, 9730), (4865, 5402), (5110, 5143)]