204030055

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 260840448

約数和(自身を除く): 56810393

約数列:

[1, 5, 43, 47, 61, 215, 235, 305, 331, 1655, 2021, 2623, 2867, 10105, 13115, 14233, 14335, 15557, 20191, 71165, 77785, 100955, 123281, 616405, 668951, 868213, 948977, 3344755, 4341065, 4744885, 40806011, 204030055]

約数ペア:

[(1, 204030055), (5, 40806011), (43, 4744885), (47, 4341065), (61, 3344755), (215, 948977), (235, 868213), (305, 668951), (331, 616405), (1655, 123281), (2021, 100955), (2623, 77785), (2867, 71165), (10105, 20191), (13115, 15557), (14233, 14335)]