8330140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 22579200

約数和(自身を除く): 14249060

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, 199, 230, 260, 299, 322, 364, 398, 455, 460, 598, 644, 796, 805, 910, 995, 1196, 1393, 1495, 1610, 1820, 1990, 2093, 2587, 2786, 2990, 3220, 3980, 4186, 4577, 5174, 5572, 5980, 6965, 8372, 9154, 10348, 10465, 12935, 13930, 18109, 18308, 20930, 22885, 25870, 27860, 32039, 36218, 41860, 45770, 51740, 59501, 64078, 72436, 90545, 91540, 119002, 128156, 160195, 181090, 238004, 297505, 320390, 362180, 416507, 595010, 640780, 833014, 1190020, 1666028, 2082535, 4165070, 8330140]

約数ペア:

[(1, 8330140), (2, 4165070), (4, 2082535), (5, 1666028), (7, 1190020), (10, 833014), (13, 640780), (14, 595010), (20, 416507), (23, 362180), (26, 320390), (28, 297505), (35, 238004), (46, 181090), (52, 160195), (65, 128156), (70, 119002), (91, 91540), (92, 90545), (115, 72436), (130, 64078), (140, 59501), (161, 51740), (182, 45770), (199, 41860), (230, 36218), (260, 32039), (299, 27860), (322, 25870), (364, 22885), (398, 20930), (455, 18308), (460, 18109), (598, 13930), (644, 12935), (796, 10465), (805, 10348), (910, 9154), (995, 8372), (1196, 6965), (1393, 5980), (1495, 5572), (1610, 5174), (1820, 4577), (1990, 4186), (2093, 3980), (2587, 3220), (2786, 2990)]