2629123420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{243889}}^1$

素因数の和:243923

約数の個数: 72

約数和(自身を含む): 7006471920

約数和(自身を除く): 4377348500

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, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 243889, 487778, 975556, 1219445, 1707223, 2438890, 2682779, 3414446, 4877780, 5365558, 6828892, 8536115, 10731116, 11950561, 13413895, 17072230, 18779453, 23901122, 26827790, 34144460, 37558906, 47802244, 53655580, 59752805, 75117812, 93897265, 119505610, 131456171, 187794530, 239011220, 262912342, 375589060, 525824684, 657280855, 1314561710, 2629123420]

約数ペア:

[(1, 2629123420), (2, 1314561710), (4, 657280855), (5, 525824684), (7, 375589060), (10, 262912342), (11, 239011220), (14, 187794530), (20, 131456171), (22, 119505610), (28, 93897265), (35, 75117812), (44, 59752805), (49, 53655580), (55, 47802244), (70, 37558906), (77, 34144460), (98, 26827790), (110, 23901122), (140, 18779453), (154, 17072230), (196, 13413895), (220, 11950561), (245, 10731116), (308, 8536115), (385, 6828892), (490, 5365558), (539, 4877780), (770, 3414446), (980, 2682779), (1078, 2438890), (1540, 1707223), (2156, 1219445), (2695, 975556), (5390, 487778), (10780, 243889)]