399437970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{76963}}^1$

素因数の和:77146

約数の個数: 32

約数和(自身を含む): 964204992

約数和(自身を除く): 564767022

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 173, 346, 519, 865, 1038, 1730, 2595, 5190, 76963, 153926, 230889, 384815, 461778, 769630, 1154445, 2308890, 13314599, 26629198, 39943797, 66572995, 79887594, 133145990, 199718985, 399437970]

約数ペア:

[(1, 399437970), (2, 199718985), (3, 133145990), (5, 79887594), (6, 66572995), (10, 39943797), (15, 26629198), (30, 13314599), (173, 2308890), (346, 1154445), (519, 769630), (865, 461778), (1038, 384815), (1730, 230889), (2595, 153926), (5190, 76963)]