38636780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 106251264

約数和(自身を除く): 67614484

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 71, 91, 92, 115, 130, 140, 142, 161, 169, 182, 230, 260, 284, 299, 322, 338, 355, 364, 455, 460, 497, 598, 644, 676, 710, 805, 845, 910, 923, 994, 1183, 1196, 1420, 1495, 1610, 1633, 1690, 1820, 1846, 1988, 2093, 2366, 2485, 2990, 3220, 3266, 3380, 3692, 3887, 4186, 4615, 4732, 4970, 5915, 5980, 6461, 6532, 7774, 8165, 8372, 9230, 9940, 10465, 11431, 11830, 11999, 12922, 15548, 16330, 18460, 19435, 20930, 21229, 22862, 23660, 23998, 25844, 27209, 32305, 32660, 38870, 41860, 42458, 45724, 47996, 54418, 57155, 59995, 64610, 77740, 83993, 84916, 106145, 108836, 114310, 119990, 129220, 136045, 148603, 167986, 212290, 228620, 239980, 272090, 275977, 297206, 335972, 419965, 424580, 544180, 551954, 594412, 743015, 839930, 1103908, 1379885, 1486030, 1679860, 1931839, 2759770, 2972060, 3863678, 5519540, 7727356, 9659195, 19318390, 38636780]

約数ペア:

[(1, 38636780), (2, 19318390), (4, 9659195), (5, 7727356), (7, 5519540), (10, 3863678), (13, 2972060), (14, 2759770), (20, 1931839), (23, 1679860), (26, 1486030), (28, 1379885), (35, 1103908), (46, 839930), (52, 743015), (65, 594412), (70, 551954), (71, 544180), (91, 424580), (92, 419965), (115, 335972), (130, 297206), (140, 275977), (142, 272090), (161, 239980), (169, 228620), (182, 212290), (230, 167986), (260, 148603), (284, 136045), (299, 129220), (322, 119990), (338, 114310), (355, 108836), (364, 106145), (455, 84916), (460, 83993), (497, 77740), (598, 64610), (644, 59995), (676, 57155), (710, 54418), (805, 47996), (845, 45724), (910, 42458), (923, 41860), (994, 38870), (1183, 32660), (1196, 32305), (1420, 27209), (1495, 25844), (1610, 23998), (1633, 23660), (1690, 22862), (1820, 21229), (1846, 20930), (1988, 19435), (2093, 18460), (2366, 16330), (2485, 15548), (2990, 12922), (3220, 11999), (3266, 11830), (3380, 11431), (3692, 10465), (3887, 9940), (4186, 9230), (4615, 8372), (4732, 8165), (4970, 7774), (5915, 6532), (5980, 6461)]