About the Number

1201987924

1201987923 ← → 1201987925

2進数表記:1000111101001001110000101010100

漢数字表記:十二億百九十八万七千九百二十四

素因数分解:

2 2 × 17 1 × 31 1 × 73 2 × 107 1

素因数の和:305
約数の個数: 72
約数和(自身を含む): 2352768768
約数和(自身を除く): 1150780844

約数列:
[1, 2, 4, 17, 31, 34, 62, 68, 73, 107, 124, 146, 214, 292, 428, 527, 1054, 1241, 1819, 2108, 2263, 2482, 3317, 3638, 4526, 4964, 5329, 6634, 7276, 7811, 9052, 10658, 13268, 15622, 21316, 31244, 38471, 56389, 76942, 90593, 112778, 132787, 153884, 165199, 181186, 225556, 242141, 265574, 330398, 362372, 484282, 531148, 570203, 660796, 968564, 1140406, 2280812, 2808383, 4116397, 5616766, 8232794, 9693451, 11233532, 16465588, 17676293, 19386902, 35352586, 38773804, 70705172, 300496981, 600993962, 1201987924]

約数ペア:
[(1, 1201987924), (2, 600993962), (4, 300496981), (17, 70705172), (31, 38773804), (34, 35352586), (62, 19386902), (68, 17676293), (73, 16465588), (107, 11233532), (124, 9693451), (146, 8232794), (214, 5616766), (292, 4116397), (428, 2808383), (527, 2280812), (1054, 1140406), (1241, 968564), (1819, 660796), (2108, 570203), (2263, 531148), (2482, 484282), (3317, 362372), (3638, 330398), (4526, 265574), (4964, 242141), (5329, 225556), (6634, 181186), (7276, 165199), (7811, 153884), (9052, 132787), (10658, 112778), (13268, 90593), (15622, 76942), (21316, 56389), (31244, 38471)]

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