318014725

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 469969920

約数和(自身を除く): 151955195

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 223, 281, 725, 1015, 1115, 1405, 1561, 1967, 5075, 5575, 6467, 7025, 7805, 8149, 9835, 32335, 39025, 40745, 45269, 49175, 57043, 62663, 161675, 203725, 226345, 285215, 313315, 438641, 1131725, 1426075, 1566575, 1817227, 2193205, 9086135, 10966025, 12720589, 45430675, 63602945, 318014725]

約数ペア:

[(1, 318014725), (5, 63602945), (7, 45430675), (25, 12720589), (29, 10966025), (35, 9086135), (145, 2193205), (175, 1817227), (203, 1566575), (223, 1426075), (281, 1131725), (725, 438641), (1015, 313315), (1115, 285215), (1405, 226345), (1561, 203725), (1967, 161675), (5075, 62663), (5575, 57043), (6467, 49175), (7025, 45269), (7805, 40745), (8149, 39025), (9835, 32335)]