438823660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{1597}}^1$

素因数の和:2866

約数の個数: 48

約数和(自身を含む): 1006740000

約数和(自身を除く): 567916340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1249, 1597, 2498, 3194, 4996, 6245, 6388, 7985, 12490, 13739, 15970, 17567, 24980, 27478, 31940, 35134, 54956, 68695, 70268, 87835, 137390, 175670, 274780, 351340, 1994653, 3989306, 7978612, 9973265, 19946530, 21941183, 39893060, 43882366, 87764732, 109705915, 219411830, 438823660]

約数ペア:

[(1, 438823660), (2, 219411830), (4, 109705915), (5, 87764732), (10, 43882366), (11, 39893060), (20, 21941183), (22, 19946530), (44, 9973265), (55, 7978612), (110, 3989306), (220, 1994653), (1249, 351340), (1597, 274780), (2498, 175670), (3194, 137390), (4996, 87835), (6245, 70268), (6388, 68695), (7985, 54956), (12490, 35134), (13739, 31940), (15970, 27478), (17567, 24980)]