215533280

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18973}}^1$

素因数の和:19059

約数の個数: 48

約数和(自身を含む): 516396384

約数和(自身を除く): 300863104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 18973, 37946, 75892, 94865, 151784, 189730, 303568, 379460, 607136, 758920, 1347083, 1517840, 2694166, 3035680, 5388332, 6735415, 10776664, 13470830, 21553328, 26941660, 43106656, 53883320, 107766640, 215533280]

約数ペア:

[(1, 215533280), (2, 107766640), (4, 53883320), (5, 43106656), (8, 26941660), (10, 21553328), (16, 13470830), (20, 10776664), (32, 6735415), (40, 5388332), (71, 3035680), (80, 2694166), (142, 1517840), (160, 1347083), (284, 758920), (355, 607136), (568, 379460), (710, 303568), (1136, 189730), (1420, 151784), (2272, 94865), (2840, 75892), (5680, 37946), (11360, 18973)]