About the Number

289061920

289061919 ← → 289061921

2進数表記:10001001110101011110000100000

漢数字表記:二億八千九百六万千九百二十

素因数分解:

2 5 × 5 1 × 7 1 × 61 1 × 4231 1

素因数の和:4314
約数の個数: 96
約数和(自身を含む): 793449216
約数和(自身を除く): 504387296

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1952, 2135, 2440, 3416, 4231, 4270, 4880, 6832, 8462, 8540, 9760, 13664, 16924, 17080, 21155, 29617, 33848, 34160, 42310, 59234, 67696, 68320, 84620, 118468, 135392, 148085, 169240, 236936, 258091, 296170, 338480, 473872, 516182, 592340, 676960, 947744, 1032364, 1184680, 1290455, 1806637, 2064728, 2369360, 2580910, 3613274, 4129456, 4738720, 5161820, 7226548, 8258912, 9033185, 10323640, 14453096, 18066370, 20647280, 28906192, 36132740, 41294560, 57812384, 72265480, 144530960, 289061920]

約数ペア:
[(1, 289061920), (2, 144530960), (4, 72265480), (5, 57812384), (7, 41294560), (8, 36132740), (10, 28906192), (14, 20647280), (16, 18066370), (20, 14453096), (28, 10323640), (32, 9033185), (35, 8258912), (40, 7226548), (56, 5161820), (61, 4738720), (70, 4129456), (80, 3613274), (112, 2580910), (122, 2369360), (140, 2064728), (160, 1806637), (224, 1290455), (244, 1184680), (280, 1032364), (305, 947744), (427, 676960), (488, 592340), (560, 516182), (610, 473872), (854, 338480), (976, 296170), (1120, 258091), (1220, 236936), (1708, 169240), (1952, 148085), (2135, 135392), (2440, 118468), (3416, 84620), (4231, 68320), (4270, 67696), (4880, 59234), (6832, 42310), (8462, 34160), (8540, 33848), (9760, 29617), (13664, 21155), (16924, 17080)]

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