154059280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19853}}^1$

素因数の和:19963

約数の個数: 40

約数和(自身を含む): 361898712

約数和(自身を除く): 207839432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 19853, 39706, 79412, 99265, 158824, 198530, 317648, 397060, 794120, 1588240, 1925741, 3851482, 7702964, 9628705, 15405928, 19257410, 30811856, 38514820, 77029640, 154059280]

約数ペア:

[(1, 154059280), (2, 77029640), (4, 38514820), (5, 30811856), (8, 19257410), (10, 15405928), (16, 9628705), (20, 7702964), (40, 3851482), (80, 1925741), (97, 1588240), (194, 794120), (388, 397060), (485, 317648), (776, 198530), (970, 158824), (1552, 99265), (1940, 79412), (3880, 39706), (7760, 19853)]