154450420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{51829}}^1$

素因数の和:51987

約数の個数: 24

約数和(自身を含む): 326529000

約数和(自身を除く): 172078580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 51829, 103658, 207316, 259145, 518290, 1036580, 7722521, 15445042, 30890084, 38612605, 77225210, 154450420]

約数ペア:

[(1, 154450420), (2, 77225210), (4, 38612605), (5, 30890084), (10, 15445042), (20, 7722521), (149, 1036580), (298, 518290), (596, 259145), (745, 207316), (1490, 103658), (2980, 51829)]