388289602820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19953217}}^1$

素因数の和:19953372

約数の個数: 48

約数和(自身を含む): 938599374720

約数和(自身を除く): 550309771900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 19953217, 39906434, 79812868, 99766085, 139672519, 199532170, 279345038, 399064340, 558690076, 698362595, 1396725190, 2773497163, 2793450380, 5546994326, 11093988652, 13867485815, 19414480141, 27734971630, 38828960282, 55469943260, 77657920564, 97072400705, 194144801410, 388289602820]

約数ペア:

[(1, 388289602820), (2, 194144801410), (4, 97072400705), (5, 77657920564), (7, 55469943260), (10, 38828960282), (14, 27734971630), (20, 19414480141), (28, 13867485815), (35, 11093988652), (70, 5546994326), (139, 2793450380), (140, 2773497163), (278, 1396725190), (556, 698362595), (695, 558690076), (973, 399064340), (1390, 279345038), (1946, 199532170), (2780, 139672519), (3892, 99766085), (4865, 79812868), (9730, 39906434), (19460, 19953217)]