747849025

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 1302773760

約数和(自身を除く): 554924735

約数列:

[1, 5, 7, 11, 19, 23, 25, 35, 49, 55, 77, 95, 115, 127, 133, 161, 175, 209, 245, 253, 275, 385, 437, 475, 539, 575, 635, 665, 805, 889, 931, 1045, 1127, 1225, 1265, 1397, 1463, 1771, 1925, 2185, 2413, 2695, 2921, 3059, 3175, 3325, 4025, 4445, 4655, 4807, 5225, 5635, 6223, 6325, 6985, 7315, 8855, 9779, 10241, 10925, 12065, 12397, 13475, 14605, 15295, 16891, 20447, 21413, 22225, 23275, 24035, 26543, 28175, 31115, 32131, 33649, 34925, 36575, 44275, 48895, 51205, 55499, 60325, 61985, 68453, 73025, 76475, 84455, 102235, 107065, 118237, 120175, 132715, 143129, 155575, 160655, 168245, 185801, 224917, 235543, 244475, 256025, 277495, 309925, 342265, 388493, 422275, 511175, 535325, 591185, 610489, 663575, 715645, 803275, 841225, 929005, 1124585, 1177715, 1300607, 1387475, 1574419, 1711325, 1942465, 2719451, 2955925, 3052445, 3578225, 4273423, 4645025, 5622925, 5888575, 6503035, 7872095, 9712325, 13597255, 15262225, 21367115, 29913961, 32515175, 39360475, 67986275, 106835575, 149569805, 747849025]

約数ペア:

[(1, 747849025), (5, 149569805), (7, 106835575), (11, 67986275), (19, 39360475), (23, 32515175), (25, 29913961), (35, 21367115), (49, 15262225), (55, 13597255), (77, 9712325), (95, 7872095), (115, 6503035), (127, 5888575), (133, 5622925), (161, 4645025), (175, 4273423), (209, 3578225), (245, 3052445), (253, 2955925), (275, 2719451), (385, 1942465), (437, 1711325), (475, 1574419), (539, 1387475), (575, 1300607), (635, 1177715), (665, 1124585), (805, 929005), (889, 841225), (931, 803275), (1045, 715645), (1127, 663575), (1225, 610489), (1265, 591185), (1397, 535325), (1463, 511175), (1771, 422275), (1925, 388493), (2185, 342265), (2413, 309925), (2695, 277495), (2921, 256025), (3059, 244475), (3175, 235543), (3325, 224917), (4025, 185801), (4445, 168245), (4655, 160655), (4807, 155575), (5225, 143129), (5635, 132715), (6223, 120175), (6325, 118237), (6985, 107065), (7315, 102235), (8855, 84455), (9779, 76475), (10241, 73025), (10925, 68453), (12065, 61985), (12397, 60325), (13475, 55499), (14605, 51205), (15295, 48895), (16891, 44275), (20447, 36575), (21413, 34925), (22225, 33649), (23275, 32131), (24035, 31115), (26543, 28175)]