1991838450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{1896989}}^1$

素因数の和:1897011

約数の個数: 48

約数和(自身を含む): 5645442240

約数和(自身を除く): 3653603790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 1896989, 3793978, 5690967, 9484945, 11381934, 13278923, 18969890, 26557846, 28454835, 39836769, 47424725, 56909670, 66394615, 79673538, 94849450, 132789230, 142274175, 199183845, 284548350, 331973075, 398367690, 663946150, 995919225, 1991838450]

約数ペア:

[(1, 1991838450), (2, 995919225), (3, 663946150), (5, 398367690), (6, 331973075), (7, 284548350), (10, 199183845), (14, 142274175), (15, 132789230), (21, 94849450), (25, 79673538), (30, 66394615), (35, 56909670), (42, 47424725), (50, 39836769), (70, 28454835), (75, 26557846), (105, 18969890), (150, 13278923), (175, 11381934), (210, 9484945), (350, 5690967), (525, 3793978), (1050, 1896989)]