729430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 1467648

約数和(自身を除く): 738218

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 181, 310, 362, 403, 806, 905, 1810, 2015, 2353, 4030, 4706, 5611, 11222, 11765, 23530, 28055, 56110, 72943, 145886, 364715, 729430]

約数ペア:

[(1, 729430), (2, 364715), (5, 145886), (10, 72943), (13, 56110), (26, 28055), (31, 23530), (62, 11765), (65, 11222), (130, 5611), (155, 4706), (181, 4030), (310, 2353), (362, 2015), (403, 1810), (806, 905)]