1994220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1231}}^1$

素因数の和:1252

約数の個数: 60

約数和(自身を含む): 6261024

約数和(自身を除く): 4266804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1231, 1620, 2462, 3693, 4924, 6155, 7386, 11079, 12310, 14772, 18465, 22158, 24620, 33237, 36930, 44316, 55395, 66474, 73860, 99711, 110790, 132948, 166185, 199422, 221580, 332370, 398844, 498555, 664740, 997110, 1994220]

約数ペア:

[(1, 1994220), (2, 997110), (3, 664740), (4, 498555), (5, 398844), (6, 332370), (9, 221580), (10, 199422), (12, 166185), (15, 132948), (18, 110790), (20, 99711), (27, 73860), (30, 66474), (36, 55395), (45, 44316), (54, 36930), (60, 33237), (81, 24620), (90, 22158), (108, 18465), (135, 14772), (162, 12310), (180, 11079), (270, 7386), (324, 6155), (405, 4924), (540, 3693), (810, 2462), (1231, 1620)]