399565537290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2220919}}^1$

素因数の和:2222931

約数の個数: 48

約数和(自身を含む): 1039390560000

約数和(自身を除く): 639825022710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1999, 3998, 5997, 9995, 11994, 17991, 19990, 29985, 35982, 59970, 89955, 179910, 2220919, 4441838, 6662757, 11104595, 13325514, 19988271, 22209190, 33313785, 39976542, 66627570, 99941355, 199882710, 4439617081, 8879234162, 13318851243, 22198085405, 26637702486, 39956553729, 44396170810, 66594256215, 79913107458, 133188512430, 199782768645, 399565537290]

約数ペア:

[(1, 399565537290), (2, 199782768645), (3, 133188512430), (5, 79913107458), (6, 66594256215), (9, 44396170810), (10, 39956553729), (15, 26637702486), (18, 22198085405), (30, 13318851243), (45, 8879234162), (90, 4439617081), (1999, 199882710), (3998, 99941355), (5997, 66627570), (9995, 39976542), (11994, 33313785), (17991, 22209190), (19990, 19988271), (29985, 13325514), (35982, 11104595), (59970, 6662757), (89955, 4441838), (179910, 2220919)]