207579820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10667}}^1$

素因数の和:10822

約数の個数: 48

約数和(自身を含む): 501822720

約数和(自身を除く): 294242900

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, 10667, 19460, 21334, 42668, 53335, 74669, 106670, 149338, 213340, 298676, 373345, 746690, 1482713, 1493380, 2965426, 5930852, 7413565, 10378991, 14827130, 20757982, 29654260, 41515964, 51894955, 103789910, 207579820]

約数ペア:

[(1, 207579820), (2, 103789910), (4, 51894955), (5, 41515964), (7, 29654260), (10, 20757982), (14, 14827130), (20, 10378991), (28, 7413565), (35, 5930852), (70, 2965426), (139, 1493380), (140, 1482713), (278, 746690), (556, 373345), (695, 298676), (973, 213340), (1390, 149338), (1946, 106670), (2780, 74669), (3892, 53335), (4865, 42668), (9730, 21334), (10667, 19460)]