219210004280

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1123}}^1\times {\mathrm{20249}}^1$

素因数の和:21624

約数の個数: 64

約数和(自身を含む): 495734580000

約数和(自身を除く): 276524575720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1123, 1205, 1928, 2246, 2410, 4492, 4820, 5615, 8984, 9640, 11230, 20249, 22460, 40498, 44920, 80996, 101245, 161992, 202490, 270643, 404980, 541286, 809960, 1082572, 1353215, 2165144, 2706430, 4880009, 5412860, 9760018, 10825720, 19520036, 22739627, 24400045, 39040072, 45479254, 48800090, 90958508, 97600180, 113698135, 181917016, 195200360, 227396270, 454792540, 909585080, 5480250107, 10960500214, 21921000428, 27401250535, 43842000856, 54802501070, 109605002140, 219210004280]

約数ペア:

[(1, 219210004280), (2, 109605002140), (4, 54802501070), (5, 43842000856), (8, 27401250535), (10, 21921000428), (20, 10960500214), (40, 5480250107), (241, 909585080), (482, 454792540), (964, 227396270), (1123, 195200360), (1205, 181917016), (1928, 113698135), (2246, 97600180), (2410, 90958508), (4492, 48800090), (4820, 45479254), (5615, 39040072), (8984, 24400045), (9640, 22739627), (11230, 19520036), (20249, 10825720), (22460, 9760018), (40498, 5412860), (44920, 4880009), (80996, 2706430), (101245, 2165144), (161992, 1353215), (202490, 1082572), (270643, 809960), (404980, 541286)]