2018040290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{323923}}^1$

素因数の和:324026

約数の個数: 32

約数和(自身を含む): 4198055040

約数和(自身を除く): 2180014750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 323923, 647846, 1619615, 2267461, 3239230, 4534922, 11337305, 22674610, 28829147, 57658294, 144145735, 201804029, 288291470, 403608058, 1009020145, 2018040290]

約数ペア:

[(1, 2018040290), (2, 1009020145), (5, 403608058), (7, 288291470), (10, 201804029), (14, 144145735), (35, 57658294), (70, 28829147), (89, 22674610), (178, 11337305), (445, 4534922), (623, 3239230), (890, 2267461), (1246, 1619615), (3115, 647846), (6230, 323923)]