1550912020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{357353}}^1$

素因数の和:357400

約数の個数: 48

約数和(自身を含む): 3842270208

約数和(自身を除く): 2291358188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 357353, 714706, 1429412, 1786765, 2501471, 3573530, 5002942, 7147060, 10005884, 11077943, 12507355, 22155886, 25014710, 44311772, 50029420, 55389715, 77545601, 110779430, 155091202, 221558860, 310182404, 387728005, 775456010, 1550912020]

約数ペア:

[(1, 1550912020), (2, 775456010), (4, 387728005), (5, 310182404), (7, 221558860), (10, 155091202), (14, 110779430), (20, 77545601), (28, 55389715), (31, 50029420), (35, 44311772), (62, 25014710), (70, 22155886), (124, 12507355), (140, 11077943), (155, 10005884), (217, 7147060), (310, 5002942), (434, 3573530), (620, 2501471), (868, 1786765), (1085, 1429412), (2170, 714706), (4340, 357353)]