290291218

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 550851840

約数和(自身を除く): 260560622

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 137, 203, 238, 274, 307, 406, 493, 614, 959, 986, 1918, 2149, 2329, 3451, 3973, 4298, 4658, 5219, 6902, 7946, 8903, 10438, 16303, 17806, 27811, 32606, 36533, 42059, 55622, 62321, 67541, 73066, 84118, 124642, 135082, 151351, 294413, 302702, 472787, 588826, 715003, 945574, 1059457, 1219711, 1430006, 2118914, 2439422, 5005021, 8537977, 10010042, 17075954, 20735087, 41470174, 145145609, 290291218]

約数ペア:

[(1, 290291218), (2, 145145609), (7, 41470174), (14, 20735087), (17, 17075954), (29, 10010042), (34, 8537977), (58, 5005021), (119, 2439422), (137, 2118914), (203, 1430006), (238, 1219711), (274, 1059457), (307, 945574), (406, 715003), (493, 588826), (614, 472787), (959, 302702), (986, 294413), (1918, 151351), (2149, 135082), (2329, 124642), (3451, 84118), (3973, 73066), (4298, 67541), (4658, 62321), (5219, 55622), (6902, 42059), (7946, 36533), (8903, 32606), (10438, 27811), (16303, 17806)]