289375280

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{10247}}^1$

素因数の和:10613

約数の個数: 40

約数和(自身を含む): 674769312

約数和(自身を除く): 385394032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 10247, 14120, 20494, 28240, 40988, 51235, 81976, 102470, 163952, 204940, 409880, 819760, 3617191, 7234382, 14468764, 18085955, 28937528, 36171910, 57875056, 72343820, 144687640, 289375280]

約数ペア:

[(1, 289375280), (2, 144687640), (4, 72343820), (5, 57875056), (8, 36171910), (10, 28937528), (16, 18085955), (20, 14468764), (40, 7234382), (80, 3617191), (353, 819760), (706, 409880), (1412, 204940), (1765, 163952), (2824, 102470), (3530, 81976), (5648, 51235), (7060, 40988), (10247, 28240), (14120, 20494)]