171139780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53149}}^1$

素因数の和:53188

約数の個数: 48

約数和(自身を含む): 428601600

約数和(自身を除く): 257461820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 53149, 106298, 212596, 265745, 372043, 531490, 744086, 1062980, 1222427, 1488172, 1860215, 2444854, 3720430, 4889708, 6112135, 7440860, 8556989, 12224270, 17113978, 24448540, 34227956, 42784945, 85569890, 171139780]

約数ペア:

[(1, 171139780), (2, 85569890), (4, 42784945), (5, 34227956), (7, 24448540), (10, 17113978), (14, 12224270), (20, 8556989), (23, 7440860), (28, 6112135), (35, 4889708), (46, 3720430), (70, 2444854), (92, 1860215), (115, 1488172), (140, 1222427), (161, 1062980), (230, 744086), (322, 531490), (460, 372043), (644, 265745), (805, 212596), (1610, 106298), (3220, 53149)]