313908728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 734025600

約数和(自身を除く): 420116872

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 307, 434, 532, 589, 614, 868, 961, 1064, 1178, 1228, 1736, 1922, 2149, 2356, 2456, 3844, 4123, 4298, 4712, 5833, 6727, 7688, 8246, 8596, 9517, 11666, 13454, 16492, 17192, 18259, 19034, 23332, 26908, 32984, 36518, 38068, 40831, 46664, 53816, 66619, 73036, 76136, 81662, 127813, 133238, 146072, 163324, 180823, 255626, 266476, 295027, 326648, 361646, 511252, 532952, 590054, 723292, 1022504, 1180108, 1265761, 1446584, 2065189, 2360216, 2531522, 4130378, 5063044, 5605513, 8260756, 10126088, 11211026, 16521512, 22422052, 39238591, 44844104, 78477182, 156954364, 313908728]

約数ペア:

[(1, 313908728), (2, 156954364), (4, 78477182), (7, 44844104), (8, 39238591), (14, 22422052), (19, 16521512), (28, 11211026), (31, 10126088), (38, 8260756), (56, 5605513), (62, 5063044), (76, 4130378), (124, 2531522), (133, 2360216), (152, 2065189), (217, 1446584), (248, 1265761), (266, 1180108), (307, 1022504), (434, 723292), (532, 590054), (589, 532952), (614, 511252), (868, 361646), (961, 326648), (1064, 295027), (1178, 266476), (1228, 255626), (1736, 180823), (1922, 163324), (2149, 146072), (2356, 133238), (2456, 127813), (3844, 81662), (4123, 76136), (4298, 73036), (4712, 66619), (5833, 53816), (6727, 46664), (7688, 40831), (8246, 38068), (8596, 36518), (9517, 32984), (11666, 26908), (13454, 23332), (16492, 19034), (17192, 18259)]