4128740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 11031552

約数和(自身を除く): 6902812

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 383, 385, 490, 539, 766, 770, 980, 1078, 1532, 1540, 1915, 2156, 2681, 2695, 3830, 4213, 5362, 5390, 7660, 8426, 10724, 10780, 13405, 16852, 18767, 21065, 26810, 29491, 37534, 42130, 53620, 58982, 75068, 84260, 93835, 117964, 147455, 187670, 206437, 294910, 375340, 412874, 589820, 825748, 1032185, 2064370, 4128740]

約数ペア:

[(1, 4128740), (2, 2064370), (4, 1032185), (5, 825748), (7, 589820), (10, 412874), (11, 375340), (14, 294910), (20, 206437), (22, 187670), (28, 147455), (35, 117964), (44, 93835), (49, 84260), (55, 75068), (70, 58982), (77, 53620), (98, 42130), (110, 37534), (140, 29491), (154, 26810), (196, 21065), (220, 18767), (245, 16852), (308, 13405), (383, 10780), (385, 10724), (490, 8426), (539, 7660), (766, 5390), (770, 5362), (980, 4213), (1078, 3830), (1532, 2695), (1540, 2681), (1915, 2156)]