28279867840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1803563}}^1$

素因数の和:1803594

約数の個数: 84

約数和(自身を含む): 78335998776

約数和(自身を除く): 50056130936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 1803563, 3607126, 7214252, 9017815, 12624941, 14428504, 18035630, 25249882, 28857008, 36071260, 50499764, 57714016, 63124705, 72142520, 88374587, 100999528, 115428032, 126249410, 144285040, 176749174, 201999056, 252498820, 288570080, 353498348, 403998112, 441872935, 504997640, 577140160, 706996696, 807996224, 883745870, 1009995280, 1413993392, 1767491740, 2019990560, 2827986784, 3534983480, 4039981120, 5655973568, 7069966960, 14139933920, 28279867840]

約数ペア:

[(1, 28279867840), (2, 14139933920), (4, 7069966960), (5, 5655973568), (7, 4039981120), (8, 3534983480), (10, 2827986784), (14, 2019990560), (16, 1767491740), (20, 1413993392), (28, 1009995280), (32, 883745870), (35, 807996224), (40, 706996696), (49, 577140160), (56, 504997640), (64, 441872935), (70, 403998112), (80, 353498348), (98, 288570080), (112, 252498820), (140, 201999056), (160, 176749174), (196, 144285040), (224, 126249410), (245, 115428032), (280, 100999528), (320, 88374587), (392, 72142520), (448, 63124705), (490, 57714016), (560, 50499764), (784, 36071260), (980, 28857008), (1120, 25249882), (1568, 18035630), (1960, 14428504), (2240, 12624941), (3136, 9017815), (3920, 7214252), (7840, 3607126), (15680, 1803563)]