1213302280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{193201}}^1$

素因数の和:193369

約数の個数: 32

約数和(自身を含む): 2747332440

約数和(自身を除く): 1534030160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 193201, 386402, 772804, 966005, 1545608, 1932010, 3864020, 7728040, 30332557, 60665114, 121330228, 151662785, 242660456, 303325570, 606651140, 1213302280]

約数ペア:

[(1, 1213302280), (2, 606651140), (4, 303325570), (5, 242660456), (8, 151662785), (10, 121330228), (20, 60665114), (40, 30332557), (157, 7728040), (314, 3864020), (628, 1932010), (785, 1545608), (1256, 966005), (1570, 772804), (3140, 386402), (6280, 193201)]