219872960

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6803}}^1$

素因数の和:6921

約数の個数: 56

約数和(自身を含む): 528834096

約数和(自身を除く): 308961136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 6464, 6803, 8080, 13606, 16160, 27212, 32320, 34015, 54424, 68030, 108848, 136060, 217696, 272120, 435392, 544240, 687103, 1088480, 1374206, 2176960, 2748412, 3435515, 5496824, 6871030, 10993648, 13742060, 21987296, 27484120, 43974592, 54968240, 109936480, 219872960]

約数ペア:

[(1, 219872960), (2, 109936480), (4, 54968240), (5, 43974592), (8, 27484120), (10, 21987296), (16, 13742060), (20, 10993648), (32, 6871030), (40, 5496824), (64, 3435515), (80, 2748412), (101, 2176960), (160, 1374206), (202, 1088480), (320, 687103), (404, 544240), (505, 435392), (808, 272120), (1010, 217696), (1616, 136060), (2020, 108848), (3232, 68030), (4040, 54424), (6464, 34015), (6803, 32320), (8080, 27212), (13606, 16160)]