172813480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{617191}}^1$

素因数の和:617209

約数の個数: 32

約数和(自身を含む): 444378240

約数和(自身を除く): 271564760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 617191, 1234382, 2468764, 3085955, 4320337, 4937528, 6171910, 8640674, 12343820, 17281348, 21601685, 24687640, 34562696, 43203370, 86406740, 172813480]

約数ペア:

[(1, 172813480), (2, 86406740), (4, 43203370), (5, 34562696), (7, 24687640), (8, 21601685), (10, 17281348), (14, 12343820), (20, 8640674), (28, 6171910), (35, 4937528), (40, 4320337), (56, 3085955), (70, 2468764), (140, 1234382), (280, 617191)]