827853880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2956621}}^1$

素因数の和:2956639

約数の個数: 32

約数和(自身を含む): 2128767840

約数和(自身を除く): 1300913960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2956621, 5913242, 11826484, 14783105, 20696347, 23652968, 29566210, 41392694, 59132420, 82785388, 103481735, 118264840, 165570776, 206963470, 413926940, 827853880]

約数ペア:

[(1, 827853880), (2, 413926940), (4, 206963470), (5, 165570776), (7, 118264840), (8, 103481735), (10, 82785388), (14, 59132420), (20, 41392694), (28, 29566210), (35, 23652968), (40, 20696347), (56, 14783105), (70, 11826484), (140, 5913242), (280, 2956621)]