310021720

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{15227}}^1$

素因数の和:15747

約数の個数: 32

約数和(自身を含む): 698965200

約数和(自身を除く): 388943480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 15227, 20360, 30454, 60908, 76135, 121816, 152270, 304540, 609080, 7750543, 15501086, 31002172, 38752715, 62004344, 77505430, 155010860, 310021720]

約数ペア:

[(1, 310021720), (2, 155010860), (4, 77505430), (5, 62004344), (8, 38752715), (10, 31002172), (20, 15501086), (40, 7750543), (509, 609080), (1018, 304540), (2036, 152270), (2545, 121816), (4072, 76135), (5090, 60908), (10180, 30454), (15227, 20360)]