488551420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{13903}}^1$

素因数の和:14170

約数の個数: 48

約数和(自身を含む): 1177279488

約数和(自身を除く): 688728068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 13903, 17570, 27806, 35140, 55612, 69515, 97321, 139030, 194642, 278060, 389284, 486605, 973210, 1946420, 3489653, 6979306, 13958612, 17448265, 24427571, 34896530, 48855142, 69793060, 97710284, 122137855, 244275710, 488551420]

約数ペア:

[(1, 488551420), (2, 244275710), (4, 122137855), (5, 97710284), (7, 69793060), (10, 48855142), (14, 34896530), (20, 24427571), (28, 17448265), (35, 13958612), (70, 6979306), (140, 3489653), (251, 1946420), (502, 973210), (1004, 486605), (1255, 389284), (1757, 278060), (2510, 194642), (3514, 139030), (5020, 97321), (7028, 69515), (8785, 55612), (13903, 35140), (17570, 27806)]