1278889780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2749}}^1\times {\mathrm{3323}}^1$

素因数の和:6088

約数の個数: 48

約数和(自身を含む): 3071376000

約数和(自身を除く): 1792486220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2749, 3323, 5498, 6646, 10996, 13292, 13745, 16615, 19243, 23261, 27490, 33230, 38486, 46522, 54980, 66460, 76972, 93044, 96215, 116305, 192430, 232610, 384860, 465220, 9134927, 18269854, 36539708, 45674635, 63944489, 91349270, 127888978, 182698540, 255777956, 319722445, 639444890, 1278889780]

約数ペア:

[(1, 1278889780), (2, 639444890), (4, 319722445), (5, 255777956), (7, 182698540), (10, 127888978), (14, 91349270), (20, 63944489), (28, 45674635), (35, 36539708), (70, 18269854), (140, 9134927), (2749, 465220), (3323, 384860), (5498, 232610), (6646, 192430), (10996, 116305), (13292, 96215), (13745, 93044), (16615, 76972), (19243, 66460), (23261, 54980), (27490, 46522), (33230, 38486)]