275480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 635040

約数和(自身を除く): 359560

約数列:

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

約数ペア:

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