1253647400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{64621}}^1$

素因数の和:64734

約数の個数: 48

約数和(自身を含む): 2944824540

約数和(自身を除く): 1691177140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 19400, 64621, 129242, 258484, 323105, 516968, 646210, 1292420, 1615525, 2584840, 3231050, 6268237, 6462100, 12536474, 12924200, 25072948, 31341185, 50145896, 62682370, 125364740, 156705925, 250729480, 313411850, 626823700, 1253647400]

約数ペア:

[(1, 1253647400), (2, 626823700), (4, 313411850), (5, 250729480), (8, 156705925), (10, 125364740), (20, 62682370), (25, 50145896), (40, 31341185), (50, 25072948), (97, 12924200), (100, 12536474), (194, 6462100), (200, 6268237), (388, 3231050), (485, 2584840), (776, 1615525), (970, 1292420), (1940, 646210), (2425, 516968), (3880, 323105), (4850, 258484), (9700, 129242), (19400, 64621)]