319941790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{23201}}^1$

素因数の和:23412

約数の個数: 32

約数和(自身を含む): 661535424

約数和(自身を除く): 341593634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13790, 23201, 46402, 116005, 162407, 232010, 324814, 812035, 1624070, 4570597, 9141194, 22852985, 31994179, 45705970, 63988358, 159970895, 319941790]

約数ペア:

[(1, 319941790), (2, 159970895), (5, 63988358), (7, 45705970), (10, 31994179), (14, 22852985), (35, 9141194), (70, 4570597), (197, 1624070), (394, 812035), (985, 324814), (1379, 232010), (1970, 162407), (2758, 116005), (6895, 46402), (13790, 23201)]