2395820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 5839680

約数和(自身を除く): 3443860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 157, 218, 314, 436, 545, 628, 763, 785, 1090, 1099, 1526, 1570, 2180, 2198, 3052, 3140, 3815, 4396, 5495, 7630, 10990, 15260, 17113, 21980, 34226, 68452, 85565, 119791, 171130, 239582, 342260, 479164, 598955, 1197910, 2395820]

約数ペア:

[(1, 2395820), (2, 1197910), (4, 598955), (5, 479164), (7, 342260), (10, 239582), (14, 171130), (20, 119791), (28, 85565), (35, 68452), (70, 34226), (109, 21980), (140, 17113), (157, 15260), (218, 10990), (314, 7630), (436, 5495), (545, 4396), (628, 3815), (763, 3140), (785, 3052), (1090, 2198), (1099, 2180), (1526, 1570)]