189391060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 404957952

約数和(自身を除く): 215566892

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 271, 332, 415, 421, 542, 830, 842, 1084, 1355, 1660, 1684, 2105, 2710, 4210, 5420, 8420, 22493, 34943, 44986, 69886, 89972, 112465, 114091, 139772, 174715, 224930, 228182, 349430, 449860, 456364, 570455, 698860, 1140910, 2281820, 9469553, 18939106, 37878212, 47347765, 94695530, 189391060]

約数ペア:

[(1, 189391060), (2, 94695530), (4, 47347765), (5, 37878212), (10, 18939106), (20, 9469553), (83, 2281820), (166, 1140910), (271, 698860), (332, 570455), (415, 456364), (421, 449860), (542, 349430), (830, 228182), (842, 224930), (1084, 174715), (1355, 139772), (1660, 114091), (1684, 112465), (2105, 89972), (2710, 69886), (4210, 44986), (5420, 34943), (8420, 22493)]