205412010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{112247}}^1$

素因数の和:112318

約数の個数: 32

約数和(自身を含む): 501075072

約数和(自身を除く): 295663062

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 112247, 224494, 336741, 561235, 673482, 1122470, 1683705, 3367410, 6847067, 13694134, 20541201, 34235335, 41082402, 68470670, 102706005, 205412010]

約数ペア:

[(1, 205412010), (2, 102706005), (3, 68470670), (5, 41082402), (6, 34235335), (10, 20541201), (15, 13694134), (30, 6847067), (61, 3367410), (122, 1683705), (183, 1122470), (305, 673482), (366, 561235), (610, 336741), (915, 224494), (1830, 112247)]