154121360

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19861}}^1$

素因数の和:19971

約数の個数: 40

約数和(自身を含む): 362044536

約数和(自身を除く): 207923176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 19861, 39722, 79444, 99305, 158888, 198610, 317776, 397220, 794440, 1588880, 1926517, 3853034, 7706068, 9632585, 15412136, 19265170, 30824272, 38530340, 77060680, 154121360]

約数ペア:

[(1, 154121360), (2, 77060680), (4, 38530340), (5, 30824272), (8, 19265170), (10, 15412136), (16, 9632585), (20, 7706068), (40, 3853034), (80, 1926517), (97, 1588880), (194, 794440), (388, 397220), (485, 317776), (776, 198610), (970, 158888), (1552, 99305), (1940, 79444), (3880, 39722), (7760, 19861)]