540940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 1264032

約数和(自身を除く): 723092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 43, 68, 74, 85, 86, 148, 170, 172, 185, 215, 340, 370, 430, 629, 731, 740, 860, 1258, 1462, 1591, 2516, 2924, 3145, 3182, 3655, 6290, 6364, 7310, 7955, 12580, 14620, 15910, 27047, 31820, 54094, 108188, 135235, 270470, 540940]

約数ペア:

[(1, 540940), (2, 270470), (4, 135235), (5, 108188), (10, 54094), (17, 31820), (20, 27047), (34, 15910), (37, 14620), (43, 12580), (68, 7955), (74, 7310), (85, 6364), (86, 6290), (148, 3655), (170, 3182), (172, 3145), (185, 2924), (215, 2516), (340, 1591), (370, 1462), (430, 1258), (629, 860), (731, 740)]