259630280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71327}}^1$

素因数の和:71358

約数の個数: 64

約数和(自身を含む): 718986240

約数和(自身を除く): 459355960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 71327, 142654, 285308, 356635, 499289, 570616, 713270, 927251, 998578, 1426540, 1854502, 1997156, 2496445, 2853080, 3709004, 3994312, 4636255, 4992890, 6490757, 7418008, 9272510, 9985780, 12981514, 18545020, 19971560, 25963028, 32453785, 37090040, 51926056, 64907570, 129815140, 259630280]

約数ペア:

[(1, 259630280), (2, 129815140), (4, 64907570), (5, 51926056), (7, 37090040), (8, 32453785), (10, 25963028), (13, 19971560), (14, 18545020), (20, 12981514), (26, 9985780), (28, 9272510), (35, 7418008), (40, 6490757), (52, 4992890), (56, 4636255), (65, 3994312), (70, 3709004), (91, 2853080), (104, 2496445), (130, 1997156), (140, 1854502), (182, 1426540), (260, 998578), (280, 927251), (364, 713270), (455, 570616), (520, 499289), (728, 356635), (910, 285308), (1820, 142654), (3640, 71327)]