247955890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14341}}^1$

素因数の和:14387

約数の個数: 64

約数和(自身を含む): 578269440

約数和(自身を除く): 330313550

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 8645, 14341, 17290, 28682, 71705, 100387, 143410, 186433, 200774, 272479, 372866, 501935, 544958, 932165, 1003870, 1305031, 1362395, 1864330, 1907353, 2610062, 2724790, 3542227, 3814706, 6525155, 7084454, 9536765, 13050310, 17711135, 19073530, 24795589, 35422270, 49591178, 123977945, 247955890]

約数ペア:

[(1, 247955890), (2, 123977945), (5, 49591178), (7, 35422270), (10, 24795589), (13, 19073530), (14, 17711135), (19, 13050310), (26, 9536765), (35, 7084454), (38, 6525155), (65, 3814706), (70, 3542227), (91, 2724790), (95, 2610062), (130, 1907353), (133, 1864330), (182, 1362395), (190, 1305031), (247, 1003870), (266, 932165), (455, 544958), (494, 501935), (665, 372866), (910, 272479), (1235, 200774), (1330, 186433), (1729, 143410), (2470, 100387), (3458, 71705), (8645, 28682), (14341, 17290)]