38377690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 40004390

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 89, 107, 130, 155, 178, 214, 310, 403, 445, 535, 806, 890, 1070, 1157, 1391, 2015, 2314, 2759, 2782, 3317, 4030, 5518, 5785, 6634, 6955, 9523, 11570, 13795, 13910, 16585, 19046, 27590, 33170, 35867, 43121, 47615, 71734, 86242, 95230, 123799, 179335, 215605, 247598, 295213, 358670, 431210, 590426, 618995, 1237990, 1476065, 2952130, 3837769, 7675538, 19188845, 38377690]

約数ペア:

[(1, 38377690), (2, 19188845), (5, 7675538), (10, 3837769), (13, 2952130), (26, 1476065), (31, 1237990), (62, 618995), (65, 590426), (89, 431210), (107, 358670), (130, 295213), (155, 247598), (178, 215605), (214, 179335), (310, 123799), (403, 95230), (445, 86242), (535, 71734), (806, 47615), (890, 43121), (1070, 35867), (1157, 33170), (1391, 27590), (2015, 19046), (2314, 16585), (2759, 13910), (2782, 13795), (3317, 11570), (4030, 9523), (5518, 6955), (5785, 6634)]