305320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 729000

約数和(自身を除く): 423680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 449, 680, 898, 1796, 2245, 3592, 4490, 7633, 8980, 15266, 17960, 30532, 38165, 61064, 76330, 152660, 305320]

約数ペア:

[(1, 305320), (2, 152660), (4, 76330), (5, 61064), (8, 38165), (10, 30532), (17, 17960), (20, 15266), (34, 8980), (40, 7633), (68, 4490), (85, 3592), (136, 2245), (170, 1796), (340, 898), (449, 680)]