404992920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78487}}^1$

素因数の和:78544

約数の個数: 64

約数和(自身を含む): 1243249920

約数和(自身を除く): 838257000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 78487, 156974, 235461, 313948, 392435, 470922, 627896, 784870, 941844, 1177305, 1569740, 1883688, 2354610, 3139480, 3374941, 4709220, 6749882, 9418440, 10124823, 13499764, 16874705, 20249646, 26999528, 33749410, 40499292, 50624115, 67498820, 80998584, 101248230, 134997640, 202496460, 404992920]

約数ペア:

[(1, 404992920), (2, 202496460), (3, 134997640), (4, 101248230), (5, 80998584), (6, 67498820), (8, 50624115), (10, 40499292), (12, 33749410), (15, 26999528), (20, 20249646), (24, 16874705), (30, 13499764), (40, 10124823), (43, 9418440), (60, 6749882), (86, 4709220), (120, 3374941), (129, 3139480), (172, 2354610), (215, 1883688), (258, 1569740), (344, 1177305), (430, 941844), (516, 784870), (645, 627896), (860, 470922), (1032, 392435), (1290, 313948), (1720, 235461), (2580, 156974), (5160, 78487)]