28020390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9629}}^1$

素因数の和:9736

約数の個数: 32

約数和(自身を含む): 67949280

約数和(自身を除く): 39928890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 9629, 19258, 28887, 48145, 57774, 96290, 144435, 288870, 934013, 1868026, 2802039, 4670065, 5604078, 9340130, 14010195, 28020390]

約数ペア:

[(1, 28020390), (2, 14010195), (3, 9340130), (5, 5604078), (6, 4670065), (10, 2802039), (15, 1868026), (30, 934013), (97, 288870), (194, 144435), (291, 96290), (485, 57774), (582, 48145), (970, 28887), (1455, 19258), (2910, 9629)]