About the Number

131879240

131879239 ← → 131879241

2進数表記:111110111000101000101001000

漢数字表記:一億三千百八十七万九千二百四十

素因数分解:

2 3 × 5 1 × 23 1 × 29 1 × 4943 1

素因数の和:5006
約数の個数: 64
約数和(自身を含む): 320371200
約数和(自身を除く): 188491960

約数列:
[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1160, 1334, 2668, 3335, 4943, 5336, 6670, 9886, 13340, 19772, 24715, 26680, 39544, 49430, 98860, 113689, 143347, 197720, 227378, 286694, 454756, 568445, 573388, 716735, 909512, 1136890, 1146776, 1433470, 2273780, 2866940, 3296981, 4547560, 5733880, 6593962, 13187924, 16484905, 26375848, 32969810, 65939620, 131879240]

約数ペア:
[(1, 131879240), (2, 65939620), (4, 32969810), (5, 26375848), (8, 16484905), (10, 13187924), (20, 6593962), (23, 5733880), (29, 4547560), (40, 3296981), (46, 2866940), (58, 2273780), (92, 1433470), (115, 1146776), (116, 1136890), (145, 909512), (184, 716735), (230, 573388), (232, 568445), (290, 454756), (460, 286694), (580, 227378), (667, 197720), (920, 143347), (1160, 113689), (1334, 98860), (2668, 49430), (3335, 39544), (4943, 26680), (5336, 24715), (6670, 19772), (9886, 13340)]

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