256635470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14843}}^1$

素因数の和:14889

約数の個数: 64

約数和(自身を含む): 598510080

約数和(自身を除く): 341874610

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, 14843, 17290, 29686, 74215, 103901, 148430, 192959, 207802, 282017, 385918, 519505, 564034, 964795, 1039010, 1350713, 1410085, 1929590, 1974119, 2701426, 2820170, 3666221, 3948238, 6753565, 7332442, 9870595, 13507130, 18331105, 19741190, 25663547, 36662210, 51327094, 128317735, 256635470]

約数ペア:

[(1, 256635470), (2, 128317735), (5, 51327094), (7, 36662210), (10, 25663547), (13, 19741190), (14, 18331105), (19, 13507130), (26, 9870595), (35, 7332442), (38, 6753565), (65, 3948238), (70, 3666221), (91, 2820170), (95, 2701426), (130, 1974119), (133, 1929590), (182, 1410085), (190, 1350713), (247, 1039010), (266, 964795), (455, 564034), (494, 519505), (665, 385918), (910, 282017), (1235, 207802), (1330, 192959), (1729, 148430), (2470, 103901), (3458, 74215), (8645, 29686), (14843, 17290)]