16945390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 21830930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 59, 70, 77, 110, 118, 154, 295, 373, 385, 413, 590, 649, 746, 770, 826, 1298, 1865, 2065, 2611, 3245, 3730, 4103, 4130, 4543, 5222, 6490, 8206, 9086, 13055, 20515, 22007, 22715, 26110, 28721, 41030, 44014, 45430, 57442, 110035, 143605, 154049, 220070, 242077, 287210, 308098, 484154, 770245, 1210385, 1540490, 1694539, 2420770, 3389078, 8472695, 16945390]

約数ペア:

[(1, 16945390), (2, 8472695), (5, 3389078), (7, 2420770), (10, 1694539), (11, 1540490), (14, 1210385), (22, 770245), (35, 484154), (55, 308098), (59, 287210), (70, 242077), (77, 220070), (110, 154049), (118, 143605), (154, 110035), (295, 57442), (373, 45430), (385, 44014), (413, 41030), (590, 28721), (649, 26110), (746, 22715), (770, 22007), (826, 20515), (1298, 13055), (1865, 9086), (2065, 8206), (2611, 6490), (3245, 5222), (3730, 4543), (4103, 4130)]