248920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 656640

約数和(自身を除く): 407720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 196, 245, 254, 280, 392, 490, 508, 635, 889, 980, 1016, 1270, 1778, 1960, 2540, 3556, 4445, 5080, 6223, 7112, 8890, 12446, 17780, 24892, 31115, 35560, 49784, 62230, 124460, 248920]

約数ペア:

[(1, 248920), (2, 124460), (4, 62230), (5, 49784), (7, 35560), (8, 31115), (10, 24892), (14, 17780), (20, 12446), (28, 8890), (35, 7112), (40, 6223), (49, 5080), (56, 4445), (70, 3556), (98, 2540), (127, 1960), (140, 1778), (196, 1270), (245, 1016), (254, 980), (280, 889), (392, 635), (490, 508)]