28719420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1907}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 80777088

約数和(自身を除く): 52057668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 1907, 2510, 3012, 3765, 3814, 5020, 5721, 7530, 7628, 9535, 11442, 15060, 19070, 22884, 28605, 38140, 57210, 114420, 478657, 957314, 1435971, 1914628, 2393285, 2871942, 4786570, 5743884, 7179855, 9573140, 14359710, 28719420]

約数ペア:

[(1, 28719420), (2, 14359710), (3, 9573140), (4, 7179855), (5, 5743884), (6, 4786570), (10, 2871942), (12, 2393285), (15, 1914628), (20, 1435971), (30, 957314), (60, 478657), (251, 114420), (502, 57210), (753, 38140), (1004, 28605), (1255, 22884), (1506, 19070), (1907, 15060), (2510, 11442), (3012, 9535), (3765, 7628), (3814, 7530), (5020, 5721)]