209694680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 538876800

約数和(自身を除く): 329182120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 89, 92, 104, 115, 130, 178, 184, 197, 230, 260, 299, 356, 394, 445, 460, 520, 598, 712, 788, 890, 920, 985, 1157, 1196, 1495, 1576, 1780, 1970, 2047, 2314, 2392, 2561, 2990, 3560, 3940, 4094, 4531, 4628, 5122, 5785, 5980, 7880, 8188, 9062, 9256, 10235, 10244, 11570, 11960, 12805, 16376, 17533, 18124, 20470, 20488, 22655, 23140, 25610, 26611, 35066, 36248, 40940, 45310, 46280, 51220, 53222, 58903, 70132, 81880, 87665, 90620, 102440, 106444, 117806, 133055, 140264, 175330, 181240, 212888, 227929, 235612, 266110, 294515, 350660, 403259, 455858, 471224, 532220, 589030, 701320, 806518, 911716, 1064440, 1139645, 1178060, 1613036, 1823432, 2016295, 2279290, 2356120, 3226072, 4032590, 4558580, 5242367, 8065180, 9117160, 10484734, 16130360, 20969468, 26211835, 41938936, 52423670, 104847340, 209694680]

約数ペア:

[(1, 209694680), (2, 104847340), (4, 52423670), (5, 41938936), (8, 26211835), (10, 20969468), (13, 16130360), (20, 10484734), (23, 9117160), (26, 8065180), (40, 5242367), (46, 4558580), (52, 4032590), (65, 3226072), (89, 2356120), (92, 2279290), (104, 2016295), (115, 1823432), (130, 1613036), (178, 1178060), (184, 1139645), (197, 1064440), (230, 911716), (260, 806518), (299, 701320), (356, 589030), (394, 532220), (445, 471224), (460, 455858), (520, 403259), (598, 350660), (712, 294515), (788, 266110), (890, 235612), (920, 227929), (985, 212888), (1157, 181240), (1196, 175330), (1495, 140264), (1576, 133055), (1780, 117806), (1970, 106444), (2047, 102440), (2314, 90620), (2392, 87665), (2561, 81880), (2990, 70132), (3560, 58903), (3940, 53222), (4094, 51220), (4531, 46280), (4628, 45310), (5122, 40940), (5785, 36248), (5980, 35066), (7880, 26611), (8188, 25610), (9062, 23140), (9256, 22655), (10235, 20488), (10244, 20470), (11570, 18124), (11960, 17533), (12805, 16376)]