842169620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{11003}}^1$

素因数の和:11144

約数の個数: 48

約数和(自身を含む): 1830185280

約数和(自身を除く): 988015660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3827, 7654, 11003, 15308, 19135, 22006, 38270, 44012, 55015, 76540, 110030, 220060, 473129, 946258, 979267, 1892516, 1958534, 2365645, 3917068, 4731290, 4896335, 9462580, 9792670, 19585340, 42108481, 84216962, 168433924, 210542405, 421084810, 842169620]

約数ペア:

[(1, 842169620), (2, 421084810), (4, 210542405), (5, 168433924), (10, 84216962), (20, 42108481), (43, 19585340), (86, 9792670), (89, 9462580), (172, 4896335), (178, 4731290), (215, 3917068), (356, 2365645), (430, 1958534), (445, 1892516), (860, 979267), (890, 946258), (1780, 473129), (3827, 220060), (7654, 110030), (11003, 76540), (15308, 55015), (19135, 44012), (22006, 38270)]