102428740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{719}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 228614400

約数和(自身を除く): 126185660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419, 719, 838, 1438, 1676, 2095, 2876, 3595, 4190, 7123, 7190, 8380, 12223, 14246, 14380, 24446, 28492, 35615, 48892, 61115, 71230, 122230, 142460, 244460, 301261, 602522, 1205044, 1506305, 3012610, 5121437, 6025220, 10242874, 20485748, 25607185, 51214370, 102428740]

約数ペア:

[(1, 102428740), (2, 51214370), (4, 25607185), (5, 20485748), (10, 10242874), (17, 6025220), (20, 5121437), (34, 3012610), (68, 1506305), (85, 1205044), (170, 602522), (340, 301261), (419, 244460), (719, 142460), (838, 122230), (1438, 71230), (1676, 61115), (2095, 48892), (2876, 35615), (3595, 28492), (4190, 24446), (7123, 14380), (7190, 14246), (8380, 12223)]