257029140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{186253}}^1$

素因数の和:186288

約数の個数: 48

約数和(自身を含む): 750976128

約数和(自身を除く): 493946988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 186253, 372506, 558759, 745012, 931265, 1117518, 1862530, 2235036, 2793795, 3725060, 4283819, 5587590, 8567638, 11175180, 12851457, 17135276, 21419095, 25702914, 42838190, 51405828, 64257285, 85676380, 128514570, 257029140]

約数ペア:

[(1, 257029140), (2, 128514570), (3, 85676380), (4, 64257285), (5, 51405828), (6, 42838190), (10, 25702914), (12, 21419095), (15, 17135276), (20, 12851457), (23, 11175180), (30, 8567638), (46, 5587590), (60, 4283819), (69, 3725060), (92, 2793795), (115, 2235036), (138, 1862530), (230, 1117518), (276, 931265), (345, 745012), (460, 558759), (690, 372506), (1380, 186253)]