13909420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 33864768

約数和(自身を除く): 19955348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1361, 1460, 2044, 2555, 2722, 5110, 5444, 6805, 9527, 10220, 13610, 19054, 27220, 38108, 47635, 95270, 99353, 190540, 198706, 397412, 496765, 695471, 993530, 1390942, 1987060, 2781884, 3477355, 6954710, 13909420]

約数ペア:

[(1, 13909420), (2, 6954710), (4, 3477355), (5, 2781884), (7, 1987060), (10, 1390942), (14, 993530), (20, 695471), (28, 496765), (35, 397412), (70, 198706), (73, 190540), (140, 99353), (146, 95270), (292, 47635), (365, 38108), (511, 27220), (730, 19054), (1022, 13610), (1361, 10220), (1460, 9527), (2044, 6805), (2555, 5444), (2722, 5110)]