4889780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 11975040

約数和(自身を除く): 7085260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 659, 742, 1060, 1318, 1484, 1855, 2636, 3295, 3710, 4613, 6590, 7420, 9226, 13180, 18452, 23065, 34927, 46130, 69854, 92260, 139708, 174635, 244489, 349270, 488978, 698540, 977956, 1222445, 2444890, 4889780]

約数ペア:

[(1, 4889780), (2, 2444890), (4, 1222445), (5, 977956), (7, 698540), (10, 488978), (14, 349270), (20, 244489), (28, 174635), (35, 139708), (53, 92260), (70, 69854), (106, 46130), (140, 34927), (212, 23065), (265, 18452), (371, 13180), (530, 9226), (659, 7420), (742, 6590), (1060, 4613), (1318, 3710), (1484, 3295), (1855, 2636)]