419492060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{3313}}^1$

素因数の和:3822

約数の個数: 48

約数和(自身を含む): 950932416

約数和(自身を除く): 531440356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 1948, 2435, 3313, 4870, 6331, 6626, 9740, 12662, 13252, 16565, 25324, 31655, 33130, 43069, 63310, 66260, 86138, 126620, 172276, 215345, 430690, 861380, 1613431, 3226862, 6453724, 8067155, 16134310, 20974603, 32268620, 41949206, 83898412, 104873015, 209746030, 419492060]

約数ペア:

[(1, 419492060), (2, 209746030), (4, 104873015), (5, 83898412), (10, 41949206), (13, 32268620), (20, 20974603), (26, 16134310), (52, 8067155), (65, 6453724), (130, 3226862), (260, 1613431), (487, 861380), (974, 430690), (1948, 215345), (2435, 172276), (3313, 126620), (4870, 86138), (6331, 66260), (6626, 63310), (9740, 43069), (12662, 33130), (13252, 31655), (16565, 25324)]