307680905

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 430080000

約数和(自身を除く): 122399095

約数列:

[1, 5, 7, 35, 79, 223, 395, 499, 553, 1115, 1561, 2495, 2765, 3493, 7805, 17465, 17617, 39421, 88085, 111277, 123319, 197105, 275947, 556385, 616595, 778939, 1379735, 3894695, 8790883, 43954415, 61536181, 307680905]

約数ペア:

[(1, 307680905), (5, 61536181), (7, 43954415), (35, 8790883), (79, 3894695), (223, 1379735), (395, 778939), (499, 616595), (553, 556385), (1115, 275947), (1561, 197105), (2495, 123319), (2765, 111277), (3493, 88085), (7805, 39421), (17465, 17617)]