38378990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 78140160

約数和(自身を除く): 39761170

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 79, 101, 130, 158, 185, 202, 370, 395, 481, 505, 790, 962, 1010, 1027, 1313, 2054, 2405, 2626, 2923, 3737, 4810, 5135, 5846, 6565, 7474, 7979, 10270, 13130, 14615, 15958, 18685, 29230, 37370, 37999, 39895, 48581, 75998, 79790, 97162, 103727, 189995, 207454, 242905, 295223, 379990, 485810, 518635, 590446, 1037270, 1476115, 2952230, 3837899, 7675798, 19189495, 38378990]

約数ペア:

[(1, 38378990), (2, 19189495), (5, 7675798), (10, 3837899), (13, 2952230), (26, 1476115), (37, 1037270), (65, 590446), (74, 518635), (79, 485810), (101, 379990), (130, 295223), (158, 242905), (185, 207454), (202, 189995), (370, 103727), (395, 97162), (481, 79790), (505, 75998), (790, 48581), (962, 39895), (1010, 37999), (1027, 37370), (1313, 29230), (2054, 18685), (2405, 15958), (2626, 14615), (2923, 13130), (3737, 10270), (4810, 7979), (5135, 7474), (5846, 6565)]