78164800

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{997}}^1$

素因数の和:1033

約数の個数: 126

約数和(自身を含む): 223960182

約数和(自身を除く): 145795382

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 700, 784, 800, 980, 997, 1120, 1225, 1400, 1568, 1600, 1960, 1994, 2240, 2450, 2800, 3136, 3920, 3988, 4900, 4985, 5600, 6979, 7840, 7976, 9800, 9970, 11200, 13958, 15680, 15952, 19600, 19940, 24925, 27916, 31904, 34895, 39200, 39880, 48853, 49850, 55832, 63808, 69790, 78400, 79760, 97706, 99700, 111664, 139580, 159520, 174475, 195412, 199400, 223328, 244265, 279160, 319040, 348950, 390824, 398800, 446656, 488530, 558320, 697900, 781648, 797600, 977060, 1116640, 1221325, 1395800, 1563296, 1595200, 1954120, 2233280, 2442650, 2791600, 3126592, 3908240, 4885300, 5583200, 7816480, 9770600, 11166400, 15632960, 19541200, 39082400, 78164800]

約数ペア:

[(1, 78164800), (2, 39082400), (4, 19541200), (5, 15632960), (7, 11166400), (8, 9770600), (10, 7816480), (14, 5583200), (16, 4885300), (20, 3908240), (25, 3126592), (28, 2791600), (32, 2442650), (35, 2233280), (40, 1954120), (49, 1595200), (50, 1563296), (56, 1395800), (64, 1221325), (70, 1116640), (80, 977060), (98, 797600), (100, 781648), (112, 697900), (140, 558320), (160, 488530), (175, 446656), (196, 398800), (200, 390824), (224, 348950), (245, 319040), (280, 279160), (320, 244265), (350, 223328), (392, 199400), (400, 195412), (448, 174475), (490, 159520), (560, 139580), (700, 111664), (784, 99700), (800, 97706), (980, 79760), (997, 78400), (1120, 69790), (1225, 63808), (1400, 55832), (1568, 49850), (1600, 48853), (1960, 39880), (1994, 39200), (2240, 34895), (2450, 31904), (2800, 27916), (3136, 24925), (3920, 19940), (3988, 19600), (4900, 15952), (4985, 15680), (5600, 13958), (6979, 11200), (7840, 9970), (7976, 9800)]