199965420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1110919}}^1$

素因数の和:1110934

約数の個数: 36

約数和(自身を含む): 606562320

約数和(自身を除く): 406596900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1110919, 2221838, 3332757, 4443676, 5554595, 6665514, 9998271, 11109190, 13331028, 16663785, 19996542, 22218380, 33327570, 39993084, 49991355, 66655140, 99982710, 199965420]

約数ペア:

[(1, 199965420), (2, 99982710), (3, 66655140), (4, 49991355), (5, 39993084), (6, 33327570), (9, 22218380), (10, 19996542), (12, 16663785), (15, 13331028), (18, 11109190), (20, 9998271), (30, 6665514), (36, 5554595), (45, 4443676), (60, 3332757), (90, 2221838), (180, 1110919)]