201426290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 401345280

約数和(自身を除く): 199918990

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 139, 142, 157, 278, 314, 355, 695, 710, 785, 923, 1390, 1570, 1807, 1846, 2041, 3614, 4082, 4615, 9035, 9230, 9869, 10205, 11147, 18070, 19738, 20410, 21823, 22294, 43646, 49345, 55735, 98690, 109115, 111470, 128297, 144911, 218230, 256594, 283699, 289822, 567398, 641485, 724555, 1282970, 1418495, 1449110, 1549433, 2836990, 3098866, 7747165, 15494330, 20142629, 40285258, 100713145, 201426290]

約数ペア:

[(1, 201426290), (2, 100713145), (5, 40285258), (10, 20142629), (13, 15494330), (26, 7747165), (65, 3098866), (71, 2836990), (130, 1549433), (139, 1449110), (142, 1418495), (157, 1282970), (278, 724555), (314, 641485), (355, 567398), (695, 289822), (710, 283699), (785, 256594), (923, 218230), (1390, 144911), (1570, 128297), (1807, 111470), (1846, 109115), (2041, 98690), (3614, 55735), (4082, 49345), (4615, 43646), (9035, 22294), (9230, 21823), (9869, 20410), (10205, 19738), (11147, 18070)]