256470830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4013}}^1$

素因数の和:4121

約数の個数: 64

約数和(自身を含む): 582640128

約数和(自身を除く): 326169298

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 83, 110, 154, 166, 385, 415, 581, 770, 830, 913, 1162, 1826, 2905, 4013, 4565, 5810, 6391, 8026, 9130, 12782, 20065, 28091, 31955, 40130, 44143, 56182, 63910, 88286, 140455, 220715, 280910, 309001, 333079, 441430, 618002, 666158, 1545005, 1665395, 2331553, 3090010, 3330790, 3663869, 4663106, 7327738, 11657765, 18319345, 23315530, 25647083, 36638690, 51294166, 128235415, 256470830]

約数ペア:

[(1, 256470830), (2, 128235415), (5, 51294166), (7, 36638690), (10, 25647083), (11, 23315530), (14, 18319345), (22, 11657765), (35, 7327738), (55, 4663106), (70, 3663869), (77, 3330790), (83, 3090010), (110, 2331553), (154, 1665395), (166, 1545005), (385, 666158), (415, 618002), (581, 441430), (770, 333079), (830, 309001), (913, 280910), (1162, 220715), (1826, 140455), (2905, 88286), (4013, 63910), (4565, 56182), (5810, 44143), (6391, 40130), (8026, 31955), (9130, 28091), (12782, 20065)]