207865840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4119

約数の個数: 120

約数和(自身を含む): 605586240

約数和(自身を除く): 397720400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 4079, 5096, 6370, 7280, 8158, 10192, 12740, 16316, 20395, 25480, 28553, 32632, 40790, 50960, 53027, 57106, 65264, 81580, 106054, 114212, 142765, 163160, 199871, 212108, 228424, 265135, 285530, 326320, 371189, 399742, 424216, 456848, 530270, 571060, 742378, 799484, 848432, 999355, 1060540, 1142120, 1484756, 1598968, 1855945, 1998710, 2121080, 2284240, 2598323, 2969512, 3197936, 3711890, 3997420, 4242160, 5196646, 5939024, 7423780, 7994840, 10393292, 12991615, 14847560, 15989680, 20786584, 25983230, 29695120, 41573168, 51966460, 103932920, 207865840]

約数ペア:

[(1, 207865840), (2, 103932920), (4, 51966460), (5, 41573168), (7, 29695120), (8, 25983230), (10, 20786584), (13, 15989680), (14, 14847560), (16, 12991615), (20, 10393292), (26, 7994840), (28, 7423780), (35, 5939024), (40, 5196646), (49, 4242160), (52, 3997420), (56, 3711890), (65, 3197936), (70, 2969512), (80, 2598323), (91, 2284240), (98, 2121080), (104, 1998710), (112, 1855945), (130, 1598968), (140, 1484756), (182, 1142120), (196, 1060540), (208, 999355), (245, 848432), (260, 799484), (280, 742378), (364, 571060), (392, 530270), (455, 456848), (490, 424216), (520, 399742), (560, 371189), (637, 326320), (728, 285530), (784, 265135), (910, 228424), (980, 212108), (1040, 199871), (1274, 163160), (1456, 142765), (1820, 114212), (1960, 106054), (2548, 81580), (3185, 65264), (3640, 57106), (3920, 53027), (4079, 50960), (5096, 40790), (6370, 32632), (7280, 28553), (8158, 25480), (10192, 20395), (12740, 16316)]