17782940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3433}}^1$

素因数の和:3486

約数の個数: 48

約数和(自身を含む): 43845312

約数和(自身を除く): 26062372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3433, 5180, 6866, 13732, 17165, 24031, 34330, 48062, 68660, 96124, 120155, 127021, 240310, 254042, 480620, 508084, 635105, 889147, 1270210, 1778294, 2540420, 3556588, 4445735, 8891470, 17782940]

約数ペア:

[(1, 17782940), (2, 8891470), (4, 4445735), (5, 3556588), (7, 2540420), (10, 1778294), (14, 1270210), (20, 889147), (28, 635105), (35, 508084), (37, 480620), (70, 254042), (74, 240310), (140, 127021), (148, 120155), (185, 96124), (259, 68660), (370, 48062), (518, 34330), (740, 24031), (1036, 17165), (1295, 13732), (2590, 6866), (3433, 5180)]