71389290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19997}}^1$

素因数の和:20031

約数の個数: 64

約数和(自身を含む): 207339264

約数和(自身を除く): 135949974

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 19997, 39994, 59991, 99985, 119982, 139979, 199970, 279958, 299955, 339949, 419937, 599910, 679898, 699895, 839874, 1019847, 1399790, 1699745, 2039694, 2099685, 2379643, 3399490, 4199370, 4759286, 5099235, 7138929, 10198470, 11898215, 14277858, 23796430, 35694645, 71389290]

約数ペア:

[(1, 71389290), (2, 35694645), (3, 23796430), (5, 14277858), (6, 11898215), (7, 10198470), (10, 7138929), (14, 5099235), (15, 4759286), (17, 4199370), (21, 3399490), (30, 2379643), (34, 2099685), (35, 2039694), (42, 1699745), (51, 1399790), (70, 1019847), (85, 839874), (102, 699895), (105, 679898), (119, 599910), (170, 419937), (210, 339949), (238, 299955), (255, 279958), (357, 199970), (510, 139979), (595, 119982), (714, 99985), (1190, 59991), (1785, 39994), (3570, 19997)]