2500492720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149551}}^1$

素因数の和:149594

約数の個数: 80

約数和(自身を含む): 6676001280

約数和(自身を除く): 4175508560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 149551, 299102, 598204, 747755, 1196408, 1495510, 1645061, 2392816, 2841469, 2991020, 3290122, 5682938, 5982040, 6580244, 8225305, 11365876, 11964080, 13160488, 14207345, 16450610, 22731752, 26320976, 28414690, 31256159, 32901220, 45463504, 56829380, 62512318, 65802440, 113658760, 125024636, 131604880, 156280795, 227317520, 250049272, 312561590, 500098544, 625123180, 1250246360, 2500492720]

約数ペア:

[(1, 2500492720), (2, 1250246360), (4, 625123180), (5, 500098544), (8, 312561590), (10, 250049272), (11, 227317520), (16, 156280795), (19, 131604880), (20, 125024636), (22, 113658760), (38, 65802440), (40, 62512318), (44, 56829380), (55, 45463504), (76, 32901220), (80, 31256159), (88, 28414690), (95, 26320976), (110, 22731752), (152, 16450610), (176, 14207345), (190, 13160488), (209, 11964080), (220, 11365876), (304, 8225305), (380, 6580244), (418, 5982040), (440, 5682938), (760, 3290122), (836, 2991020), (880, 2841469), (1045, 2392816), (1520, 1645061), (1672, 1495510), (2090, 1196408), (3344, 747755), (4180, 598204), (8360, 299102), (16720, 149551)]