68904260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1013}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 153316800

約数和(自身を除く): 84412540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 716, 895, 1013, 1790, 2026, 3401, 3580, 4052, 5065, 6802, 10130, 13604, 17005, 19247, 20260, 34010, 38494, 68020, 76988, 96235, 181327, 192470, 362654, 384940, 725308, 906635, 1813270, 3445213, 3626540, 6890426, 13780852, 17226065, 34452130, 68904260]

約数ペア:

[(1, 68904260), (2, 34452130), (4, 17226065), (5, 13780852), (10, 6890426), (19, 3626540), (20, 3445213), (38, 1813270), (76, 906635), (95, 725308), (179, 384940), (190, 362654), (358, 192470), (380, 181327), (716, 96235), (895, 76988), (1013, 68020), (1790, 38494), (2026, 34010), (3401, 20260), (3580, 19247), (4052, 17005), (5065, 13604), (6802, 10130)]