289703060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{15073}}^1$

素因数の和:15144

約数の個数: 36

約数和(自身を含む): 628676244

約数和(自身を除く): 338973184

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 15073, 19220, 30146, 60292, 75365, 150730, 301460, 467263, 934526, 1869052, 2336315, 4672630, 9345260, 14485153, 28970306, 57940612, 72425765, 144851530, 289703060]

約数ペア:

[(1, 289703060), (2, 144851530), (4, 72425765), (5, 57940612), (10, 28970306), (20, 14485153), (31, 9345260), (62, 4672630), (124, 2336315), (155, 1869052), (310, 934526), (620, 467263), (961, 301460), (1922, 150730), (3844, 75365), (4805, 60292), (9610, 30146), (15073, 19220)]