129780805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 209018880

約数和(自身を除く): 79238075

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 79, 85, 119, 187, 251, 385, 395, 553, 595, 869, 935, 1255, 1309, 1343, 1757, 2761, 2765, 4267, 4345, 6083, 6545, 6715, 8785, 9401, 13805, 14773, 19327, 19829, 21335, 29869, 30415, 46937, 47005, 73865, 96635, 99145, 103411, 138803, 149345, 218119, 234685, 328559, 337093, 517055, 694015, 1090595, 1526833, 1642795, 1685465, 2359651, 3708023, 7634165, 11798255, 18540115, 25956161, 129780805]

約数ペア:

[(1, 129780805), (5, 25956161), (7, 18540115), (11, 11798255), (17, 7634165), (35, 3708023), (55, 2359651), (77, 1685465), (79, 1642795), (85, 1526833), (119, 1090595), (187, 694015), (251, 517055), (385, 337093), (395, 328559), (553, 234685), (595, 218119), (869, 149345), (935, 138803), (1255, 103411), (1309, 99145), (1343, 96635), (1757, 73865), (2761, 47005), (2765, 46937), (4267, 30415), (4345, 29869), (6083, 21335), (6545, 19829), (6715, 19327), (8785, 14773), (9401, 13805)]