128467900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{116789}}^1$

素因数の和:116814

約数の個数: 36

約数和(自身を含む): 304121160

約数和(自身を除く): 175653260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 116789, 233578, 467156, 583945, 1167890, 1284679, 2335780, 2569358, 2919725, 5138716, 5839450, 6423395, 11678900, 12846790, 25693580, 32116975, 64233950, 128467900]

約数ペア:

[(1, 128467900), (2, 64233950), (4, 32116975), (5, 25693580), (10, 12846790), (11, 11678900), (20, 6423395), (22, 5839450), (25, 5138716), (44, 2919725), (50, 2569358), (55, 2335780), (100, 1284679), (110, 1167890), (220, 583945), (275, 467156), (550, 233578), (1100, 116789)]