145049975

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 212486400

約数和(自身を除く): 67436425

約数列:

[1, 5, 7, 25, 35, 67, 89, 139, 175, 335, 445, 469, 623, 695, 973, 1675, 2225, 2345, 3115, 3475, 4865, 5963, 9313, 11725, 12371, 15575, 24325, 29815, 41741, 46565, 61855, 65191, 86597, 149075, 208705, 232825, 309275, 325955, 432985, 828857, 1043525, 1629775, 2164925, 4144285, 5801999, 20721425, 29009995, 145049975]

約数ペア:

[(1, 145049975), (5, 29009995), (7, 20721425), (25, 5801999), (35, 4144285), (67, 2164925), (89, 1629775), (139, 1043525), (175, 828857), (335, 432985), (445, 325955), (469, 309275), (623, 232825), (695, 208705), (973, 149075), (1675, 86597), (2225, 65191), (2345, 61855), (3115, 46565), (3475, 41741), (4865, 29815), (5963, 24325), (9313, 15575), (11725, 12371)]