51439270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 103680000

約数和(自身を除く): 52240730

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 79, 95, 115, 149, 158, 190, 230, 298, 395, 437, 745, 790, 874, 1490, 1501, 1817, 2185, 2831, 3002, 3427, 3634, 4370, 5662, 6854, 7505, 9085, 11771, 14155, 15010, 17135, 18170, 23542, 28310, 34270, 34523, 58855, 65113, 69046, 117710, 130226, 172615, 223649, 270733, 325565, 345230, 447298, 541466, 651130, 1118245, 1353665, 2236490, 2707330, 5143927, 10287854, 25719635, 51439270]

約数ペア:

[(1, 51439270), (2, 25719635), (5, 10287854), (10, 5143927), (19, 2707330), (23, 2236490), (38, 1353665), (46, 1118245), (79, 651130), (95, 541466), (115, 447298), (149, 345230), (158, 325565), (190, 270733), (230, 223649), (298, 172615), (395, 130226), (437, 117710), (745, 69046), (790, 65113), (874, 58855), (1490, 34523), (1501, 34270), (1817, 28310), (2185, 23542), (2831, 18170), (3002, 17135), (3427, 15010), (3634, 14155), (4370, 11771), (5662, 9085), (6854, 7505)]