28814820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4951}}^1$

素因数の和:5060

約数の個数: 48

約数和(自身を含む): 81529728

約数和(自身を除く): 52714908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 4951, 5820, 9902, 14853, 19804, 24755, 29706, 49510, 59412, 74265, 99020, 148530, 297060, 480247, 960494, 1440741, 1920988, 2401235, 2881482, 4802470, 5762964, 7203705, 9604940, 14407410, 28814820]

約数ペア:

[(1, 28814820), (2, 14407410), (3, 9604940), (4, 7203705), (5, 5762964), (6, 4802470), (10, 2881482), (12, 2401235), (15, 1920988), (20, 1440741), (30, 960494), (60, 480247), (97, 297060), (194, 148530), (291, 99020), (388, 74265), (485, 59412), (582, 49510), (970, 29706), (1164, 24755), (1455, 19804), (1940, 14853), (2910, 9902), (4951, 5820)]