About the Number

129180688

129180687 ← → 129180689

2進数表記:111101100110010010000010000

漢数字表記:一億二千九百十八万六百八十八

素因数分解:

2 4 × 7 1 × 13 1 × 17 2 × 307 1

素因数の和:369
約数の個数: 120
約数和(自身を含む): 328298432
約数和(自身を除く): 199117744

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 289, 307, 364, 442, 476, 578, 614, 728, 884, 952, 1156, 1228, 1456, 1547, 1768, 1904, 2023, 2149, 2312, 2456, 3094, 3536, 3757, 3991, 4046, 4298, 4624, 4912, 5219, 6188, 7514, 7982, 8092, 8596, 10438, 12376, 15028, 15964, 16184, 17192, 20876, 24752, 26299, 27937, 30056, 31928, 32368, 34384, 36533, 41752, 52598, 55874, 60112, 63856, 67847, 73066, 83504, 88723, 105196, 111748, 135694, 146132, 177446, 210392, 223496, 271388, 292264, 354892, 420784, 446992, 474929, 542776, 584528, 621061, 709784, 949858, 1085552, 1153399, 1242122, 1419568, 1899716, 2306798, 2484244, 3799432, 4613596, 4968488, 7598864, 8073793, 9227192, 9936976, 16147586, 18454384, 32295172, 64590344, 129180688]

約数ペア:
[(1, 129180688), (2, 64590344), (4, 32295172), (7, 18454384), (8, 16147586), (13, 9936976), (14, 9227192), (16, 8073793), (17, 7598864), (26, 4968488), (28, 4613596), (34, 3799432), (52, 2484244), (56, 2306798), (68, 1899716), (91, 1419568), (104, 1242122), (112, 1153399), (119, 1085552), (136, 949858), (182, 709784), (208, 621061), (221, 584528), (238, 542776), (272, 474929), (289, 446992), (307, 420784), (364, 354892), (442, 292264), (476, 271388), (578, 223496), (614, 210392), (728, 177446), (884, 146132), (952, 135694), (1156, 111748), (1228, 105196), (1456, 88723), (1547, 83504), (1768, 73066), (1904, 67847), (2023, 63856), (2149, 60112), (2312, 55874), (2456, 52598), (3094, 41752), (3536, 36533), (3757, 34384), (3991, 32368), (4046, 31928), (4298, 30056), (4624, 27937), (4912, 26299), (5219, 24752), (6188, 20876), (7514, 17192), (7982, 16184), (8092, 15964), (8596, 15028), (10438, 12376)]

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