83678140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 96

約数和(自身を含む): 225792000

約数和(自身を除く): 142113860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 1999, 2093, 2990, 3220, 3998, 4186, 5980, 7996, 8372, 9995, 10465, 13993, 19990, 20930, 25987, 27986, 39980, 41860, 45977, 51974, 55972, 69965, 91954, 103948, 129935, 139930, 181909, 183908, 229885, 259870, 279860, 321839, 363818, 459770, 519740, 597701, 643678, 727636, 909545, 919540, 1195402, 1287356, 1609195, 1819090, 2390804, 2988505, 3218390, 3638180, 4183907, 5977010, 6436780, 8367814, 11954020, 16735628, 20919535, 41839070, 83678140]

約数ペア:

[(1, 83678140), (2, 41839070), (4, 20919535), (5, 16735628), (7, 11954020), (10, 8367814), (13, 6436780), (14, 5977010), (20, 4183907), (23, 3638180), (26, 3218390), (28, 2988505), (35, 2390804), (46, 1819090), (52, 1609195), (65, 1287356), (70, 1195402), (91, 919540), (92, 909545), (115, 727636), (130, 643678), (140, 597701), (161, 519740), (182, 459770), (230, 363818), (260, 321839), (299, 279860), (322, 259870), (364, 229885), (455, 183908), (460, 181909), (598, 139930), (644, 129935), (805, 103948), (910, 91954), (1196, 69965), (1495, 55972), (1610, 51974), (1820, 45977), (1999, 41860), (2093, 39980), (2990, 27986), (3220, 25987), (3998, 20930), (4186, 19990), (5980, 13993), (7996, 10465), (8372, 9995)]