196020580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1601

約数の個数: 72

約数和(自身を含む): 482630400

約数和(自身を除く): 286609820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1390, 1439, 1946, 2780, 2878, 3892, 4865, 5756, 6811, 7195, 9730, 10073, 13622, 14390, 19460, 20146, 27244, 28780, 34055, 40292, 50365, 68110, 70511, 100730, 136220, 141022, 200021, 201460, 282044, 352555, 400042, 705110, 800084, 1000105, 1400147, 1410220, 2000210, 2800294, 4000420, 5600588, 7000735, 9801029, 14001470, 19602058, 28002940, 39204116, 49005145, 98010290, 196020580]

約数ペア:

[(1, 196020580), (2, 98010290), (4, 49005145), (5, 39204116), (7, 28002940), (10, 19602058), (14, 14001470), (20, 9801029), (28, 7000735), (35, 5600588), (49, 4000420), (70, 2800294), (98, 2000210), (139, 1410220), (140, 1400147), (196, 1000105), (245, 800084), (278, 705110), (490, 400042), (556, 352555), (695, 282044), (973, 201460), (980, 200021), (1390, 141022), (1439, 136220), (1946, 100730), (2780, 70511), (2878, 68110), (3892, 50365), (4865, 40292), (5756, 34055), (6811, 28780), (7195, 27244), (9730, 20146), (10073, 19460), (13622, 14390)]