550960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 1312416

約数和(自身を除く): 761456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 97, 142, 194, 284, 355, 388, 485, 568, 710, 776, 970, 1136, 1420, 1552, 1940, 2840, 3880, 5680, 6887, 7760, 13774, 27548, 34435, 55096, 68870, 110192, 137740, 275480, 550960]

約数ペア:

[(1, 550960), (2, 275480), (4, 137740), (5, 110192), (8, 68870), (10, 55096), (16, 34435), (20, 27548), (40, 13774), (71, 7760), (80, 6887), (97, 5680), (142, 3880), (194, 2840), (284, 1940), (355, 1552), (388, 1420), (485, 1136), (568, 970), (710, 776)]