128525500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 300867840

約数和(自身を除く): 172342340

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 125, 163, 166, 190, 250, 326, 332, 380, 415, 475, 500, 652, 815, 830, 950, 1577, 1630, 1660, 1900, 2075, 2375, 3097, 3154, 3260, 4075, 4150, 4750, 6194, 6308, 7885, 8150, 8300, 9500, 10375, 12388, 13529, 15485, 15770, 16300, 20375, 20750, 27058, 30970, 31540, 39425, 40750, 41500, 54116, 61940, 67645, 77425, 78850, 81500, 135290, 154850, 157700, 197125, 257051, 270580, 309700, 338225, 387125, 394250, 514102, 676450, 774250, 788500, 1028204, 1285255, 1352900, 1548500, 1691125, 2570510, 3382250, 5141020, 6426275, 6764500, 12852550, 25705100, 32131375, 64262750, 128525500]

約数ペア:

[(1, 128525500), (2, 64262750), (4, 32131375), (5, 25705100), (10, 12852550), (19, 6764500), (20, 6426275), (25, 5141020), (38, 3382250), (50, 2570510), (76, 1691125), (83, 1548500), (95, 1352900), (100, 1285255), (125, 1028204), (163, 788500), (166, 774250), (190, 676450), (250, 514102), (326, 394250), (332, 387125), (380, 338225), (415, 309700), (475, 270580), (500, 257051), (652, 197125), (815, 157700), (830, 154850), (950, 135290), (1577, 81500), (1630, 78850), (1660, 77425), (1900, 67645), (2075, 61940), (2375, 54116), (3097, 41500), (3154, 40750), (3260, 39425), (4075, 31540), (4150, 30970), (4750, 27058), (6194, 20750), (6308, 20375), (7885, 16300), (8150, 15770), (8300, 15485), (9500, 13529), (10375, 12388)]