261431490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{89839}}^1$

素因数の和:89946

約数の個数: 32

約数和(自身を含む): 633911040

約数和(自身を除く): 372479550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 89839, 179678, 269517, 449195, 539034, 898390, 1347585, 2695170, 8714383, 17428766, 26143149, 43571915, 52286298, 87143830, 130715745, 261431490]

約数ペア:

[(1, 261431490), (2, 130715745), (3, 87143830), (5, 52286298), (6, 43571915), (10, 26143149), (15, 17428766), (30, 8714383), (97, 2695170), (194, 1347585), (291, 898390), (485, 539034), (582, 449195), (970, 269517), (1455, 179678), (2910, 89839)]