2453920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{313}}^1$

素因数の和:342

約数の個数: 72

約数和(自身を含む): 6765444

約数和(自身を除く): 4311524

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 313, 392, 490, 560, 626, 784, 980, 1120, 1252, 1565, 1568, 1960, 2191, 2504, 3130, 3920, 4382, 5008, 6260, 7840, 8764, 10016, 10955, 12520, 15337, 17528, 21910, 25040, 30674, 35056, 43820, 50080, 61348, 70112, 76685, 87640, 122696, 153370, 175280, 245392, 306740, 350560, 490784, 613480, 1226960, 2453920]

約数ペア:

[(1, 2453920), (2, 1226960), (4, 613480), (5, 490784), (7, 350560), (8, 306740), (10, 245392), (14, 175280), (16, 153370), (20, 122696), (28, 87640), (32, 76685), (35, 70112), (40, 61348), (49, 50080), (56, 43820), (70, 35056), (80, 30674), (98, 25040), (112, 21910), (140, 17528), (160, 15337), (196, 12520), (224, 10955), (245, 10016), (280, 8764), (313, 7840), (392, 6260), (490, 5008), (560, 4382), (626, 3920), (784, 3130), (980, 2504), (1120, 2191), (1252, 1960), (1565, 1568)]