1851320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 4302720

約数和(自身を除く): 2451400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1493, 2986, 5972, 7465, 11944, 14930, 29860, 46283, 59720, 92566, 185132, 231415, 370264, 462830, 925660, 1851320]

約数ペア:

[(1, 1851320), (2, 925660), (4, 462830), (5, 370264), (8, 231415), (10, 185132), (20, 92566), (31, 59720), (40, 46283), (62, 29860), (124, 14930), (155, 11944), (248, 7465), (310, 5972), (620, 2986), (1240, 1493)]