249969241660

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6389}}^1\times {\mathrm{4783}}^1$

素因数の和:11590

約数の個数: 48

約数和(自身を含む): 526411267200

約数和(自身を除く): 276442025540

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 4783, 6389, 8180, 9566, 12778, 19132, 23915, 25556, 31945, 47830, 63890, 95660, 127780, 1956247, 2613101, 3912494, 5226202, 7824988, 9781235, 10452404, 13065505, 19562470, 26131010, 30558587, 39124940, 52262020, 61117174, 122234348, 152792935, 305585870, 611171740, 12498462083, 24996924166, 49993848332, 62492310415, 124984620830, 249969241660]

約数ペア:

[(1, 249969241660), (2, 124984620830), (4, 62492310415), (5, 49993848332), (10, 24996924166), (20, 12498462083), (409, 611171740), (818, 305585870), (1636, 152792935), (2045, 122234348), (4090, 61117174), (4783, 52262020), (6389, 39124940), (8180, 30558587), (9566, 26131010), (12778, 19562470), (19132, 13065505), (23915, 10452404), (25556, 9781235), (31945, 7824988), (47830, 5226202), (63890, 3912494), (95660, 2613101), (127780, 1956247)]