27399820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 68027904

約数和(自身を除く): 40628084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 383, 490, 511, 730, 766, 980, 1022, 1460, 1532, 1915, 2044, 2555, 2681, 3577, 3830, 5110, 5362, 7154, 7660, 10220, 10724, 13405, 14308, 17885, 18767, 26810, 27959, 35770, 37534, 53620, 55918, 71540, 75068, 93835, 111836, 139795, 187670, 195713, 279590, 375340, 391426, 559180, 782852, 978565, 1369991, 1957130, 2739982, 3914260, 5479964, 6849955, 13699910, 27399820]

約数ペア:

[(1, 27399820), (2, 13699910), (4, 6849955), (5, 5479964), (7, 3914260), (10, 2739982), (14, 1957130), (20, 1369991), (28, 978565), (35, 782852), (49, 559180), (70, 391426), (73, 375340), (98, 279590), (140, 195713), (146, 187670), (196, 139795), (245, 111836), (292, 93835), (365, 75068), (383, 71540), (490, 55918), (511, 53620), (730, 37534), (766, 35770), (980, 27959), (1022, 26810), (1460, 18767), (1532, 17885), (1915, 14308), (2044, 13405), (2555, 10724), (2681, 10220), (3577, 7660), (3830, 7154), (5110, 5362)]