539320

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 1234800

約数和(自身を除く): 695480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 139, 194, 278, 388, 485, 556, 695, 776, 970, 1112, 1390, 1940, 2780, 3880, 5560, 13483, 26966, 53932, 67415, 107864, 134830, 269660, 539320]

約数ペア:

[(1, 539320), (2, 269660), (4, 134830), (5, 107864), (8, 67415), (10, 53932), (20, 26966), (40, 13483), (97, 5560), (139, 3880), (194, 2780), (278, 1940), (388, 1390), (485, 1112), (556, 970), (695, 776)]