209812120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:833

約数の個数: 96

約数和(自身を含む): 553301280

約数和(自身を除く): 343489160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 167, 196, 245, 280, 334, 392, 490, 641, 668, 835, 980, 1169, 1282, 1336, 1670, 1960, 2338, 2564, 3205, 3340, 4487, 4676, 5128, 5845, 6410, 6680, 8183, 8974, 9352, 11690, 12820, 16366, 17948, 22435, 23380, 25640, 31409, 32732, 35896, 40915, 44870, 46760, 62818, 65464, 81830, 89740, 107047, 125636, 157045, 163660, 179480, 214094, 251272, 314090, 327320, 428188, 535235, 628180, 749329, 856376, 1070470, 1256360, 1498658, 2140940, 2997316, 3746645, 4281880, 5245303, 5994632, 7493290, 10490606, 14986580, 20981212, 26226515, 29973160, 41962424, 52453030, 104906060, 209812120]

約数ペア:

[(1, 209812120), (2, 104906060), (4, 52453030), (5, 41962424), (7, 29973160), (8, 26226515), (10, 20981212), (14, 14986580), (20, 10490606), (28, 7493290), (35, 5994632), (40, 5245303), (49, 4281880), (56, 3746645), (70, 2997316), (98, 2140940), (140, 1498658), (167, 1256360), (196, 1070470), (245, 856376), (280, 749329), (334, 628180), (392, 535235), (490, 428188), (641, 327320), (668, 314090), (835, 251272), (980, 214094), (1169, 179480), (1282, 163660), (1336, 157045), (1670, 125636), (1960, 107047), (2338, 89740), (2564, 81830), (3205, 65464), (3340, 62818), (4487, 46760), (4676, 44870), (5128, 40915), (5845, 35896), (6410, 32732), (6680, 31409), (8183, 25640), (8974, 23380), (9352, 22435), (11690, 17948), (12820, 16366)]