About the Number

201087990

201087989 ← → 201087991

2進数表記:1011111111000101101111110110

漢数字表記:二億百八万七千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 73 1 × 127 1 × 241 1

素因数の和:454
約数の個数: 96
約数和(自身を含む): 536380416
約数和(自身を除く): 335292426

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 127, 146, 219, 241, 254, 365, 381, 438, 482, 635, 657, 723, 730, 762, 1095, 1143, 1205, 1270, 1314, 1446, 1905, 2169, 2190, 2286, 2410, 3285, 3615, 3810, 4338, 5715, 6570, 7230, 9271, 10845, 11430, 17593, 18542, 21690, 27813, 30607, 35186, 46355, 52779, 55626, 61214, 83439, 87965, 91821, 92710, 105558, 139065, 153035, 158337, 166878, 175930, 183642, 263895, 275463, 278130, 306070, 316674, 417195, 459105, 527790, 550926, 791685, 834390, 918210, 1377315, 1583370, 2234311, 2754630, 4468622, 6702933, 11171555, 13405866, 20108799, 22343110, 33514665, 40217598, 67029330, 100543995, 201087990]

約数ペア:
[(1, 201087990), (2, 100543995), (3, 67029330), (5, 40217598), (6, 33514665), (9, 22343110), (10, 20108799), (15, 13405866), (18, 11171555), (30, 6702933), (45, 4468622), (73, 2754630), (90, 2234311), (127, 1583370), (146, 1377315), (219, 918210), (241, 834390), (254, 791685), (365, 550926), (381, 527790), (438, 459105), (482, 417195), (635, 316674), (657, 306070), (723, 278130), (730, 275463), (762, 263895), (1095, 183642), (1143, 175930), (1205, 166878), (1270, 158337), (1314, 153035), (1446, 139065), (1905, 105558), (2169, 92710), (2190, 91821), (2286, 87965), (2410, 83439), (3285, 61214), (3615, 55626), (3810, 52779), (4338, 46355), (5715, 35186), (6570, 30607), (7230, 27813), (9271, 21690), (10845, 18542), (11430, 17593)]

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