About the Number

129486688

129486687 ← → 129486689

2進数表記:111101101111100111101100000

漢数字表記:一億二千九百四十八万六千六百八十八

素因数分解:

2 5 × 17 1 × 23 1 × 79 1 × 131 1

素因数の和:260
約数の個数: 96
約数和(自身を含む): 287400960
約数和(自身を除く): 157914272

約数列:
[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 79, 92, 131, 136, 158, 184, 262, 272, 316, 368, 391, 524, 544, 632, 736, 782, 1048, 1264, 1343, 1564, 1817, 2096, 2227, 2528, 2686, 3013, 3128, 3634, 4192, 4454, 5372, 6026, 6256, 7268, 8908, 10349, 10744, 12052, 12512, 14536, 17816, 20698, 21488, 24104, 29072, 30889, 35632, 41396, 42976, 48208, 51221, 58144, 61778, 71264, 82792, 96416, 102442, 123556, 165584, 175933, 204884, 238027, 247112, 331168, 351866, 409768, 476054, 494224, 703732, 819536, 952108, 988448, 1407464, 1639072, 1904216, 2814928, 3808432, 4046459, 5629856, 7616864, 8092918, 16185836, 32371672, 64743344, 129486688]

約数ペア:
[(1, 129486688), (2, 64743344), (4, 32371672), (8, 16185836), (16, 8092918), (17, 7616864), (23, 5629856), (32, 4046459), (34, 3808432), (46, 2814928), (68, 1904216), (79, 1639072), (92, 1407464), (131, 988448), (136, 952108), (158, 819536), (184, 703732), (262, 494224), (272, 476054), (316, 409768), (368, 351866), (391, 331168), (524, 247112), (544, 238027), (632, 204884), (736, 175933), (782, 165584), (1048, 123556), (1264, 102442), (1343, 96416), (1564, 82792), (1817, 71264), (2096, 61778), (2227, 58144), (2528, 51221), (2686, 48208), (3013, 42976), (3128, 41396), (3634, 35632), (4192, 30889), (4454, 29072), (5372, 24104), (6026, 21488), (6256, 20698), (7268, 17816), (8908, 14536), (10349, 12512), (10744, 12052)]

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