378594940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1493}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 823253760

約数和(自身を除く): 444658820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 409, 620, 818, 1493, 1636, 2045, 2986, 4090, 5972, 7465, 8180, 12679, 14930, 25358, 29860, 46283, 50716, 63395, 92566, 126790, 185132, 231415, 253580, 462830, 610637, 925660, 1221274, 2442548, 3053185, 6106370, 12212740, 18929747, 37859494, 75718988, 94648735, 189297470, 378594940]

約数ペア:

[(1, 378594940), (2, 189297470), (4, 94648735), (5, 75718988), (10, 37859494), (20, 18929747), (31, 12212740), (62, 6106370), (124, 3053185), (155, 2442548), (310, 1221274), (409, 925660), (620, 610637), (818, 462830), (1493, 253580), (1636, 231415), (2045, 185132), (2986, 126790), (4090, 92566), (5972, 63395), (7465, 50716), (8180, 46283), (12679, 29860), (14930, 25358)]