138209320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{203249}}^1$

素因数の和:203277

約数の個数: 32

約数和(自身を含む): 329265000

約数和(自身を除く): 191055680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 203249, 406498, 812996, 1016245, 1625992, 2032490, 3455233, 4064980, 6910466, 8129960, 13820932, 17276165, 27641864, 34552330, 69104660, 138209320]

約数ペア:

[(1, 138209320), (2, 69104660), (4, 34552330), (5, 27641864), (8, 17276165), (10, 13820932), (17, 8129960), (20, 6910466), (34, 4064980), (40, 3455233), (68, 2032490), (85, 1625992), (136, 1016245), (170, 812996), (340, 406498), (680, 203249)]