391579900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{73883}}^1$

素因数の和:73950

約数の個数: 36

約数和(自身を含む): 865772712

約数和(自身を除く): 474192812

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 73883, 147766, 295532, 369415, 738830, 1477660, 1847075, 3694150, 3915799, 7388300, 7831598, 15663196, 19578995, 39157990, 78315980, 97894975, 195789950, 391579900]

約数ペア:

[(1, 391579900), (2, 195789950), (4, 97894975), (5, 78315980), (10, 39157990), (20, 19578995), (25, 15663196), (50, 7831598), (53, 7388300), (100, 3915799), (106, 3694150), (212, 1847075), (265, 1477660), (530, 738830), (1060, 369415), (1325, 295532), (2650, 147766), (5300, 73883)]