245266420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1823}}^1$

素因数の和:1901

約数の個数: 72

約数和(自身を含む): 608573952

約数和(自身を除く): 363307532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 1085, 1823, 1922, 2170, 3646, 3844, 4340, 4805, 6727, 7292, 9115, 9610, 12761, 13454, 18230, 19220, 25522, 26908, 33635, 36460, 51044, 56513, 63805, 67270, 113026, 127610, 134540, 226052, 255220, 282565, 395591, 565130, 791182, 1130260, 1582364, 1751903, 1977955, 3503806, 3955910, 7007612, 7911820, 8759515, 12263321, 17519030, 24526642, 35038060, 49053284, 61316605, 122633210, 245266420]

約数ペア:

[(1, 245266420), (2, 122633210), (4, 61316605), (5, 49053284), (7, 35038060), (10, 24526642), (14, 17519030), (20, 12263321), (28, 8759515), (31, 7911820), (35, 7007612), (62, 3955910), (70, 3503806), (124, 1977955), (140, 1751903), (155, 1582364), (217, 1130260), (310, 791182), (434, 565130), (620, 395591), (868, 282565), (961, 255220), (1085, 226052), (1823, 134540), (1922, 127610), (2170, 113026), (3646, 67270), (3844, 63805), (4340, 56513), (4805, 51044), (6727, 36460), (7292, 33635), (9115, 26908), (9610, 25522), (12761, 19220), (13454, 18230)]