251790

素因数分解:

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

素因数の和:137

約数の個数: 64

約数和(自身を含む): 760320

約数和(自身を除く): 508530

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, 1090, 1155, 1199, 1526, 1635, 2289, 2310, 2398, 3270, 3597, 3815, 4578, 5995, 7194, 7630, 8393, 11445, 11990, 16786, 17985, 22890, 25179, 35970, 41965, 50358, 83930, 125895, 251790]

約数ペア:

[(1, 251790), (2, 125895), (3, 83930), (5, 50358), (6, 41965), (7, 35970), (10, 25179), (11, 22890), (14, 17985), (15, 16786), (21, 11990), (22, 11445), (30, 8393), (33, 7630), (35, 7194), (42, 5995), (55, 4578), (66, 3815), (70, 3597), (77, 3270), (105, 2398), (109, 2310), (110, 2289), (154, 1635), (165, 1526), (210, 1199), (218, 1155), (231, 1090), (327, 770), (330, 763), (385, 654), (462, 545)]