280858650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{97}}^2\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 72

約数和(自身を含む): 707320800

約数和(自身を除く): 426462150

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 97, 150, 194, 199, 291, 398, 485, 582, 597, 970, 995, 1194, 1455, 1990, 2425, 2910, 2985, 4850, 4975, 5970, 7275, 9409, 9950, 14550, 14925, 18818, 19303, 28227, 29850, 38606, 47045, 56454, 57909, 94090, 96515, 115818, 141135, 193030, 235225, 282270, 289545, 470450, 482575, 579090, 705675, 965150, 1411350, 1447725, 1872391, 2895450, 3744782, 5617173, 9361955, 11234346, 18723910, 28085865, 46809775, 56171730, 93619550, 140429325, 280858650]

約数ペア:

[(1, 280858650), (2, 140429325), (3, 93619550), (5, 56171730), (6, 46809775), (10, 28085865), (15, 18723910), (25, 11234346), (30, 9361955), (50, 5617173), (75, 3744782), (97, 2895450), (150, 1872391), (194, 1447725), (199, 1411350), (291, 965150), (398, 705675), (485, 579090), (582, 482575), (597, 470450), (970, 289545), (995, 282270), (1194, 235225), (1455, 193030), (1990, 141135), (2425, 115818), (2910, 96515), (2985, 94090), (4850, 57909), (4975, 56454), (5970, 47045), (7275, 38606), (9409, 29850), (9950, 28227), (14550, 19303), (14925, 18818)]