209367160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2680

約数の個数: 64

約数和(自身を含む): 497275200

約数和(自身を除く): 287908040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 2557, 3560, 4094, 5114, 8188, 10228, 10235, 12785, 16376, 20456, 20470, 25570, 40940, 51140, 58811, 81880, 102280, 117622, 227573, 235244, 294055, 455146, 470488, 588110, 910292, 1137865, 1176220, 1820584, 2275730, 2352440, 4551460, 5234179, 9102920, 10468358, 20936716, 26170895, 41873432, 52341790, 104683580, 209367160]

約数ペア:

[(1, 209367160), (2, 104683580), (4, 52341790), (5, 41873432), (8, 26170895), (10, 20936716), (20, 10468358), (23, 9102920), (40, 5234179), (46, 4551460), (89, 2352440), (92, 2275730), (115, 1820584), (178, 1176220), (184, 1137865), (230, 910292), (356, 588110), (445, 470488), (460, 455146), (712, 294055), (890, 235244), (920, 227573), (1780, 117622), (2047, 102280), (2557, 81880), (3560, 58811), (4094, 51140), (5114, 40940), (8188, 25570), (10228, 20470), (10235, 20456), (12785, 16376)]