943758980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{664619}}^1$

素因数の和:664699

約数の個数: 24

約数和(自身を含む): 2009810880

約数和(自身を除く): 1066051900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 664619, 1329238, 2658476, 3323095, 6646190, 13292380, 47187949, 94375898, 188751796, 235939745, 471879490, 943758980]

約数ペア:

[(1, 943758980), (2, 471879490), (4, 235939745), (5, 188751796), (10, 94375898), (20, 47187949), (71, 13292380), (142, 6646190), (284, 3323095), (355, 2658476), (710, 1329238), (1420, 664619)]