30002005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 42156288

約数和(自身を除く): 12154283

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 641, 851, 1265, 2035, 3205, 4255, 7051, 9361, 14743, 23717, 35255, 46805, 73715, 118585, 162173, 260887, 545491, 810865, 1304435, 2727455, 6000401, 30002005]

約数ペア:

[(1, 30002005), (5, 6000401), (11, 2727455), (23, 1304435), (37, 810865), (55, 545491), (115, 260887), (185, 162173), (253, 118585), (407, 73715), (641, 46805), (851, 35255), (1265, 23717), (2035, 14743), (3205, 9361), (4255, 7051)]