289318660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{15053}}^1$

素因数の和:15124

約数の個数: 36

約数和(自身を含む): 627842124

約数和(自身を除く): 338523464

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 15053, 19220, 30106, 60212, 75265, 150530, 301060, 466643, 933286, 1866572, 2333215, 4666430, 9332860, 14465933, 28931866, 57863732, 72329665, 144659330, 289318660]

約数ペア:

[(1, 289318660), (2, 144659330), (4, 72329665), (5, 57863732), (10, 28931866), (20, 14465933), (31, 9332860), (62, 4666430), (124, 2333215), (155, 1866572), (310, 933286), (620, 466643), (961, 301060), (1922, 150530), (3844, 75265), (4805, 60212), (9610, 30106), (15053, 19220)]