653904140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{1493}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 1400535360

約数和(自身を除く): 746631220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 359, 610, 718, 1220, 1436, 1493, 1795, 2986, 3590, 5972, 7180, 7465, 14930, 21899, 29860, 43798, 87596, 91073, 109495, 182146, 218990, 364292, 437980, 455365, 535987, 910730, 1071974, 1821460, 2143948, 2679935, 5359870, 10719740, 32695207, 65390414, 130780828, 163476035, 326952070, 653904140]

約数ペア:

[(1, 653904140), (2, 326952070), (4, 163476035), (5, 130780828), (10, 65390414), (20, 32695207), (61, 10719740), (122, 5359870), (244, 2679935), (305, 2143948), (359, 1821460), (610, 1071974), (718, 910730), (1220, 535987), (1436, 455365), (1493, 437980), (1795, 364292), (2986, 218990), (3590, 182146), (5972, 109495), (7180, 91073), (7465, 87596), (14930, 43798), (21899, 29860)]