19480989880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{52027}}^1$

素因数の和:52109

約数の個数: 128

約数和(自身を含む): 51245498880

約数和(自身を除く): 31764509000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 37, 40, 44, 46, 55, 74, 88, 92, 110, 115, 148, 184, 185, 220, 230, 253, 296, 370, 407, 440, 460, 506, 740, 814, 851, 920, 1012, 1265, 1480, 1628, 1702, 2024, 2035, 2530, 3256, 3404, 4070, 4255, 5060, 6808, 8140, 8510, 9361, 10120, 16280, 17020, 18722, 34040, 37444, 46805, 52027, 74888, 93610, 104054, 187220, 208108, 260135, 374440, 416216, 520270, 572297, 1040540, 1144594, 1196621, 1924999, 2081080, 2289188, 2393242, 2861485, 3849998, 4578376, 4786484, 5722970, 5983105, 7699996, 9572968, 9624995, 11445940, 11966210, 13162831, 15399992, 19249990, 21174989, 22891880, 23932420, 26325662, 38499980, 42349978, 44274977, 47864840, 52651324, 65814155, 76999960, 84699956, 88549954, 105302648, 105874945, 131628310, 169399912, 177099908, 211749890, 221374885, 263256620, 354199816, 423499780, 442749770, 487024747, 526513240, 846999560, 885499540, 974049494, 1770999080, 1948098988, 2435123735, 3896197976, 4870247470, 9740494940, 19480989880]

約数ペア:

[(1, 19480989880), (2, 9740494940), (4, 4870247470), (5, 3896197976), (8, 2435123735), (10, 1948098988), (11, 1770999080), (20, 974049494), (22, 885499540), (23, 846999560), (37, 526513240), (40, 487024747), (44, 442749770), (46, 423499780), (55, 354199816), (74, 263256620), (88, 221374885), (92, 211749890), (110, 177099908), (115, 169399912), (148, 131628310), (184, 105874945), (185, 105302648), (220, 88549954), (230, 84699956), (253, 76999960), (296, 65814155), (370, 52651324), (407, 47864840), (440, 44274977), (460, 42349978), (506, 38499980), (740, 26325662), (814, 23932420), (851, 22891880), (920, 21174989), (1012, 19249990), (1265, 15399992), (1480, 13162831), (1628, 11966210), (1702, 11445940), (2024, 9624995), (2035, 9572968), (2530, 7699996), (3256, 5983105), (3404, 5722970), (4070, 4786484), (4255, 4578376), (5060, 3849998), (6808, 2861485), (8140, 2393242), (8510, 2289188), (9361, 2081080), (10120, 1924999), (16280, 1196621), (17020, 1144594), (18722, 1040540), (34040, 572297), (37444, 520270), (46805, 416216), (52027, 374440), (74888, 260135), (93610, 208108), (104054, 187220)]