204520218

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 525377664

約数和(自身を除く): 320857446

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 47, 49, 57, 82, 94, 98, 114, 123, 133, 141, 147, 246, 266, 282, 287, 294, 329, 361, 399, 574, 658, 722, 779, 798, 861, 893, 931, 987, 1083, 1558, 1722, 1786, 1862, 1927, 1974, 2009, 2166, 2303, 2337, 2527, 2679, 2793, 3854, 4018, 4606, 4674, 5054, 5358, 5453, 5586, 5781, 6027, 6251, 6909, 7581, 10906, 11562, 12054, 12502, 13489, 13818, 14801, 15162, 16359, 16967, 17689, 18753, 26978, 29602, 32718, 33934, 35378, 36613, 37506, 38171, 40467, 43757, 44403, 50901, 53067, 73226, 76342, 80934, 87514, 88806, 94423, 101802, 103607, 106134, 109839, 114513, 118769, 131271, 188846, 207214, 219678, 229026, 237538, 256291, 262542, 283269, 310821, 356307, 512582, 566538, 621642, 695647, 712614, 725249, 768873, 831383, 1391294, 1450498, 1537746, 1662766, 1794037, 2086941, 2175747, 2494149, 3588074, 4173882, 4351494, 4869529, 4988298, 5382111, 9739058, 10764222, 14608587, 29217174, 34086703, 68173406, 102260109, 204520218]

約数ペア:

[(1, 204520218), (2, 102260109), (3, 68173406), (6, 34086703), (7, 29217174), (14, 14608587), (19, 10764222), (21, 9739058), (38, 5382111), (41, 4988298), (42, 4869529), (47, 4351494), (49, 4173882), (57, 3588074), (82, 2494149), (94, 2175747), (98, 2086941), (114, 1794037), (123, 1662766), (133, 1537746), (141, 1450498), (147, 1391294), (246, 831383), (266, 768873), (282, 725249), (287, 712614), (294, 695647), (329, 621642), (361, 566538), (399, 512582), (574, 356307), (658, 310821), (722, 283269), (779, 262542), (798, 256291), (861, 237538), (893, 229026), (931, 219678), (987, 207214), (1083, 188846), (1558, 131271), (1722, 118769), (1786, 114513), (1862, 109839), (1927, 106134), (1974, 103607), (2009, 101802), (2166, 94423), (2303, 88806), (2337, 87514), (2527, 80934), (2679, 76342), (2793, 73226), (3854, 53067), (4018, 50901), (4606, 44403), (4674, 43757), (5054, 40467), (5358, 38171), (5453, 37506), (5586, 36613), (5781, 35378), (6027, 33934), (6251, 32718), (6909, 29602), (7581, 26978), (10906, 18753), (11562, 17689), (12054, 16967), (12502, 16359), (13489, 15162), (13818, 14801)]