169207940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3449}}^1$

素因数の和:3692

約数の個数: 48

約数和(自身を含む): 389491200

約数和(自身を除く): 220283260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 2230, 2453, 3449, 4460, 4906, 6898, 9812, 12265, 13796, 17245, 24530, 34490, 37939, 49060, 68980, 75878, 151756, 189695, 379390, 758780, 769127, 1538254, 3076508, 3845635, 7691270, 8460397, 15382540, 16920794, 33841588, 42301985, 84603970, 169207940]

約数ペア:

[(1, 169207940), (2, 84603970), (4, 42301985), (5, 33841588), (10, 16920794), (11, 15382540), (20, 8460397), (22, 7691270), (44, 3845635), (55, 3076508), (110, 1538254), (220, 769127), (223, 758780), (446, 379390), (892, 189695), (1115, 151756), (2230, 75878), (2453, 68980), (3449, 49060), (4460, 37939), (4906, 34490), (6898, 24530), (9812, 17245), (12265, 13796)]