27818840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 72567360

約数和(自身を除く): 44748520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1361, 1460, 2044, 2555, 2722, 2920, 4088, 5110, 5444, 6805, 9527, 10220, 10888, 13610, 19054, 20440, 27220, 38108, 47635, 54440, 76216, 95270, 99353, 190540, 198706, 381080, 397412, 496765, 695471, 794824, 993530, 1390942, 1987060, 2781884, 3477355, 3974120, 5563768, 6954710, 13909420, 27818840]

約数ペア:

[(1, 27818840), (2, 13909420), (4, 6954710), (5, 5563768), (7, 3974120), (8, 3477355), (10, 2781884), (14, 1987060), (20, 1390942), (28, 993530), (35, 794824), (40, 695471), (56, 496765), (70, 397412), (73, 381080), (140, 198706), (146, 190540), (280, 99353), (292, 95270), (365, 76216), (511, 54440), (584, 47635), (730, 38108), (1022, 27220), (1361, 20440), (1460, 19054), (2044, 13610), (2555, 10888), (2722, 10220), (2920, 9527), (4088, 6805), (5110, 5444)]