256987470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29641}}^1$

素因数の和:29685

約数の個数: 48

約数和(自身を含む): 655206768

約数和(自身を除く): 398219298

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2890, 4335, 8670, 29641, 59282, 88923, 148205, 177846, 296410, 444615, 503897, 889230, 1007794, 1511691, 2519485, 3023382, 5038970, 7558455, 8566249, 15116910, 17132498, 25698747, 42831245, 51397494, 85662490, 128493735, 256987470]

約数ペア:

[(1, 256987470), (2, 128493735), (3, 85662490), (5, 51397494), (6, 42831245), (10, 25698747), (15, 17132498), (17, 15116910), (30, 8566249), (34, 7558455), (51, 5038970), (85, 3023382), (102, 2519485), (170, 1511691), (255, 1007794), (289, 889230), (510, 503897), (578, 444615), (867, 296410), (1445, 177846), (1734, 148205), (2890, 88923), (4335, 59282), (8670, 29641)]