74435140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{286289}}^1$

素因数の和:286311

約数の個数: 24

約数和(自身を含む): 168338520

約数和(自身を除く): 93903380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 286289, 572578, 1145156, 1431445, 2862890, 3721757, 5725780, 7443514, 14887028, 18608785, 37217570, 74435140]

約数ペア:

[(1, 74435140), (2, 37217570), (4, 18608785), (5, 14887028), (10, 7443514), (13, 5725780), (20, 3721757), (26, 2862890), (52, 1431445), (65, 1145156), (130, 572578), (260, 286289)]