985601480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{254021}}^1$

素因数の和:254129

約数の個数: 32

約数和(自身を含む): 2240474040

約数和(自身を除く): 1254872560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 254021, 508042, 1016084, 1270105, 2032168, 2540210, 5080420, 10160840, 24640037, 49280074, 98560148, 123200185, 197120296, 246400370, 492800740, 985601480]

約数ペア:

[(1, 985601480), (2, 492800740), (4, 246400370), (5, 197120296), (8, 123200185), (10, 98560148), (20, 49280074), (40, 24640037), (97, 10160840), (194, 5080420), (388, 2540210), (485, 2032168), (776, 1270105), (970, 1016084), (1940, 508042), (3880, 254021)]