221361280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{49411}}^1$

素因数の和:49437

約数の個数: 64

約数和(自身を含む): 604802880

約数和(自身を除く): 383441600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 49411, 98822, 197644, 247055, 345877, 395288, 494110, 691754, 790576, 988220, 1383508, 1581152, 1729385, 1976440, 2767016, 3162304, 3458770, 3952880, 5534032, 6324608, 6917540, 7905760, 11068064, 13835080, 15811520, 22136128, 27670160, 31623040, 44272256, 55340320, 110680640, 221361280]

約数ペア:

[(1, 221361280), (2, 110680640), (4, 55340320), (5, 44272256), (7, 31623040), (8, 27670160), (10, 22136128), (14, 15811520), (16, 13835080), (20, 11068064), (28, 7905760), (32, 6917540), (35, 6324608), (40, 5534032), (56, 3952880), (64, 3458770), (70, 3162304), (80, 2767016), (112, 1976440), (128, 1729385), (140, 1581152), (160, 1383508), (224, 988220), (280, 790576), (320, 691754), (448, 494110), (560, 395288), (640, 345877), (896, 247055), (1120, 197644), (2240, 98822), (4480, 49411)]