278489244

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 772208640

約数和(自身を除く): 493719396

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 31, 33, 44, 46, 62, 66, 69, 92, 93, 121, 124, 132, 138, 186, 242, 253, 269, 276, 341, 363, 372, 484, 506, 538, 682, 713, 726, 759, 807, 1012, 1023, 1076, 1364, 1426, 1452, 1518, 1614, 2046, 2139, 2783, 2852, 2959, 3036, 3228, 3751, 4092, 4278, 5566, 5918, 6187, 7502, 7843, 8339, 8349, 8556, 8877, 11132, 11253, 11836, 12374, 15004, 15686, 16678, 16698, 17754, 18561, 22506, 23529, 24748, 25017, 31372, 32549, 33356, 33396, 35508, 37122, 45012, 47058, 50034, 65098, 68057, 74244, 86273, 91729, 94116, 97647, 100068, 130196, 136114, 172546, 183458, 191797, 195294, 204171, 258819, 272228, 275187, 345092, 366916, 383594, 390588, 408342, 517638, 550374, 575391, 748627, 767188, 816684, 1009019, 1035276, 1100748, 1150782, 1497254, 2018038, 2109767, 2245881, 2301564, 2994508, 3027057, 4036076, 4219534, 4491762, 6054114, 6329301, 8439068, 8983524, 12108228, 12658602, 23207437, 25317204, 46414874, 69622311, 92829748, 139244622, 278489244]

約数ペア:

[(1, 278489244), (2, 139244622), (3, 92829748), (4, 69622311), (6, 46414874), (11, 25317204), (12, 23207437), (22, 12658602), (23, 12108228), (31, 8983524), (33, 8439068), (44, 6329301), (46, 6054114), (62, 4491762), (66, 4219534), (69, 4036076), (92, 3027057), (93, 2994508), (121, 2301564), (124, 2245881), (132, 2109767), (138, 2018038), (186, 1497254), (242, 1150782), (253, 1100748), (269, 1035276), (276, 1009019), (341, 816684), (363, 767188), (372, 748627), (484, 575391), (506, 550374), (538, 517638), (682, 408342), (713, 390588), (726, 383594), (759, 366916), (807, 345092), (1012, 275187), (1023, 272228), (1076, 258819), (1364, 204171), (1426, 195294), (1452, 191797), (1518, 183458), (1614, 172546), (2046, 136114), (2139, 130196), (2783, 100068), (2852, 97647), (2959, 94116), (3036, 91729), (3228, 86273), (3751, 74244), (4092, 68057), (4278, 65098), (5566, 50034), (5918, 47058), (6187, 45012), (7502, 37122), (7843, 35508), (8339, 33396), (8349, 33356), (8556, 32549), (8877, 31372), (11132, 25017), (11253, 24748), (11836, 23529), (12374, 22506), (15004, 18561), (15686, 17754), (16678, 16698)]