72509525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 103118400

約数和(自身を除く): 30608875

約数列:

[1, 5, 11, 25, 41, 55, 59, 109, 205, 275, 295, 451, 545, 649, 1025, 1199, 1475, 2255, 2419, 2725, 3245, 4469, 5995, 6431, 11275, 12095, 16225, 22345, 26609, 29975, 32155, 49159, 60475, 70741, 111725, 133045, 160775, 245795, 263671, 353705, 665225, 1228975, 1318355, 1768525, 2900381, 6591775, 14501905, 72509525]

約数ペア:

[(1, 72509525), (5, 14501905), (11, 6591775), (25, 2900381), (41, 1768525), (55, 1318355), (59, 1228975), (109, 665225), (205, 353705), (275, 263671), (295, 245795), (451, 160775), (545, 133045), (649, 111725), (1025, 70741), (1199, 60475), (1475, 49159), (2255, 32155), (2419, 29975), (2725, 26609), (3245, 22345), (4469, 16225), (5995, 12095), (6431, 11275)]