257077590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1158

約数の個数: 128

約数和(自身を含む): 777047040

約数和(自身を除く): 519969450

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 109, 110, 154, 165, 210, 218, 231, 327, 330, 385, 462, 545, 654, 763, 770, 1021, 1090, 1155, 1199, 1526, 1635, 2042, 2289, 2310, 2398, 3063, 3270, 3597, 3815, 4578, 5105, 5995, 6126, 7147, 7194, 7630, 8393, 10210, 11231, 11445, 11990, 14294, 15315, 16786, 17985, 21441, 22462, 22890, 25179, 30630, 33693, 35735, 35970, 41965, 42882, 50358, 56155, 67386, 71470, 78617, 83930, 107205, 111289, 112310, 125895, 157234, 168465, 214410, 222578, 235851, 251790, 333867, 336930, 393085, 471702, 556445, 667734, 779023, 786170, 1112890, 1179255, 1224179, 1558046, 1669335, 2337069, 2358510, 2448358, 3338670, 3672537, 3895115, 4674138, 6120895, 7345074, 7790230, 8569253, 11685345, 12241790, 17138506, 18362685, 23370690, 25707759, 36725370, 42846265, 51415518, 85692530, 128538795, 257077590]

約数ペア:

[(1, 257077590), (2, 128538795), (3, 85692530), (5, 51415518), (6, 42846265), (7, 36725370), (10, 25707759), (11, 23370690), (14, 18362685), (15, 17138506), (21, 12241790), (22, 11685345), (30, 8569253), (33, 7790230), (35, 7345074), (42, 6120895), (55, 4674138), (66, 3895115), (70, 3672537), (77, 3338670), (105, 2448358), (109, 2358510), (110, 2337069), (154, 1669335), (165, 1558046), (210, 1224179), (218, 1179255), (231, 1112890), (327, 786170), (330, 779023), (385, 667734), (462, 556445), (545, 471702), (654, 393085), (763, 336930), (770, 333867), (1021, 251790), (1090, 235851), (1155, 222578), (1199, 214410), (1526, 168465), (1635, 157234), (2042, 125895), (2289, 112310), (2310, 111289), (2398, 107205), (3063, 83930), (3270, 78617), (3597, 71470), (3815, 67386), (4578, 56155), (5105, 50358), (5995, 42882), (6126, 41965), (7147, 35970), (7194, 35735), (7630, 33693), (8393, 30630), (10210, 25179), (11231, 22890), (11445, 22462), (11990, 21441), (14294, 17985), (15315, 16786)]