249780260

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{39901}}^1$

素因数の和:40223

約数の個数: 24

約数和(自身を含む): 526227576

約数和(自身を除く): 276447316

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 39901, 79802, 159604, 199505, 399010, 798020, 12489013, 24978026, 49956052, 62445065, 124890130, 249780260]

約数ペア:

[(1, 249780260), (2, 124890130), (4, 62445065), (5, 49956052), (10, 24978026), (20, 12489013), (313, 798020), (626, 399010), (1252, 199505), (1565, 159604), (3130, 79802), (6260, 39901)]