154154840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{550553}}^1$

素因数の和:550571

約数の個数: 32

約数和(自身を含む): 396398880

約数和(自身を除く): 242244040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 550553, 1101106, 2202212, 2752765, 3853871, 4404424, 5505530, 7707742, 11011060, 15415484, 19269355, 22022120, 30830968, 38538710, 77077420, 154154840]

約数ペア:

[(1, 154154840), (2, 77077420), (4, 38538710), (5, 30830968), (7, 22022120), (8, 19269355), (10, 15415484), (14, 11011060), (20, 7707742), (28, 5505530), (35, 4404424), (40, 3853871), (56, 2752765), (70, 2202212), (140, 1101106), (280, 550553)]