156614780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{159811}}^1$

素因数の和:159834

約数の個数: 36

約数和(自身を含む): 382589928

約数和(自身を除く): 225975148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 159811, 319622, 639244, 799055, 1118677, 1598110, 2237354, 3196220, 4474708, 5593385, 7830739, 11186770, 15661478, 22373540, 31322956, 39153695, 78307390, 156614780]

約数ペア:

[(1, 156614780), (2, 78307390), (4, 39153695), (5, 31322956), (7, 22373540), (10, 15661478), (14, 11186770), (20, 7830739), (28, 5593385), (35, 4474708), (49, 3196220), (70, 2237354), (98, 1598110), (140, 1118677), (196, 799055), (245, 639244), (490, 319622), (980, 159811)]