249655360

素因数分解:

$2^6\times 5^1\times {\mathrm{780173}}^1$

素因数の和:780190

約数の個数: 28

約数和(自身を含む): 594492588

約数和(自身を除く): 344837228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 780173, 1560346, 3120692, 3900865, 6241384, 7801730, 12482768, 15603460, 24965536, 31206920, 49931072, 62413840, 124827680, 249655360]

約数ペア:

[(1, 249655360), (2, 124827680), (4, 62413840), (5, 49931072), (8, 31206920), (10, 24965536), (16, 15603460), (20, 12482768), (32, 7801730), (40, 6241384), (64, 3900865), (80, 3120692), (160, 1560346), (320, 780173)]