313619920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{135181}}^1$

素因数の和:135223

約数の個数: 40

約数和(自身を含む): 754315560

約数和(自身を除く): 440695640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 135181, 270362, 540724, 675905, 1081448, 1351810, 2162896, 2703620, 3920249, 5407240, 7840498, 10814480, 15680996, 19601245, 31361992, 39202490, 62723984, 78404980, 156809960, 313619920]

約数ペア:

[(1, 313619920), (2, 156809960), (4, 78404980), (5, 62723984), (8, 39202490), (10, 31361992), (16, 19601245), (20, 15680996), (29, 10814480), (40, 7840498), (58, 5407240), (80, 3920249), (116, 2703620), (145, 2162896), (232, 1351810), (290, 1081448), (464, 675905), (580, 540724), (1160, 270362), (2320, 135181)]