256979463910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{431891}}^1$

素因数の和:432133

約数の個数: 64

約数和(自身を含む): 522416563200

約数和(自身を除く): 265437099290

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 199, 230, 299, 398, 598, 995, 1495, 1990, 2587, 2990, 4577, 5174, 9154, 12935, 22885, 25870, 45770, 59501, 119002, 297505, 431891, 595010, 863782, 2159455, 4318910, 5614583, 9933493, 11229166, 19866986, 28072915, 49667465, 56145830, 85946309, 99334930, 129135409, 171892618, 258270818, 429731545, 645677045, 859463090, 1117302017, 1291354090, 1976765107, 2234604034, 3953530214, 5586510085, 9883825535, 11173020170, 19767651070, 25697946391, 51395892782, 128489731955, 256979463910]

約数ペア:

[(1, 256979463910), (2, 128489731955), (5, 51395892782), (10, 25697946391), (13, 19767651070), (23, 11173020170), (26, 9883825535), (46, 5586510085), (65, 3953530214), (115, 2234604034), (130, 1976765107), (199, 1291354090), (230, 1117302017), (299, 859463090), (398, 645677045), (598, 429731545), (995, 258270818), (1495, 171892618), (1990, 129135409), (2587, 99334930), (2990, 85946309), (4577, 56145830), (5174, 49667465), (9154, 28072915), (12935, 19866986), (22885, 11229166), (25870, 9933493), (45770, 5614583), (59501, 4318910), (119002, 2159455), (297505, 863782), (431891, 595010)]