89458460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 245952000

約数和(自身を除く): 156493540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 169, 182, 190, 199, 247, 260, 266, 338, 364, 380, 398, 455, 494, 532, 665, 676, 796, 845, 910, 988, 995, 1183, 1235, 1330, 1393, 1690, 1729, 1820, 1990, 2366, 2470, 2587, 2660, 2786, 3211, 3380, 3458, 3781, 3980, 4732, 4940, 5174, 5572, 5915, 6422, 6916, 6965, 7562, 8645, 10348, 11830, 12844, 12935, 13930, 15124, 16055, 17290, 18109, 18905, 22477, 23660, 25870, 26467, 27860, 32110, 33631, 34580, 36218, 37810, 44954, 49153, 51740, 52934, 64220, 67262, 72436, 75620, 89908, 90545, 98306, 105868, 112385, 132335, 134524, 168155, 181090, 196612, 224770, 235417, 245765, 264670, 336310, 344071, 362180, 449540, 470834, 491530, 529340, 638989, 672620, 688142, 941668, 983060, 1177085, 1277978, 1376284, 1720355, 2354170, 2555956, 3194945, 3440710, 4472923, 4708340, 6389890, 6881420, 8945846, 12779780, 17891692, 22364615, 44729230, 89458460]

約数ペア:

[(1, 89458460), (2, 44729230), (4, 22364615), (5, 17891692), (7, 12779780), (10, 8945846), (13, 6881420), (14, 6389890), (19, 4708340), (20, 4472923), (26, 3440710), (28, 3194945), (35, 2555956), (38, 2354170), (52, 1720355), (65, 1376284), (70, 1277978), (76, 1177085), (91, 983060), (95, 941668), (130, 688142), (133, 672620), (140, 638989), (169, 529340), (182, 491530), (190, 470834), (199, 449540), (247, 362180), (260, 344071), (266, 336310), (338, 264670), (364, 245765), (380, 235417), (398, 224770), (455, 196612), (494, 181090), (532, 168155), (665, 134524), (676, 132335), (796, 112385), (845, 105868), (910, 98306), (988, 90545), (995, 89908), (1183, 75620), (1235, 72436), (1330, 67262), (1393, 64220), (1690, 52934), (1729, 51740), (1820, 49153), (1990, 44954), (2366, 37810), (2470, 36218), (2587, 34580), (2660, 33631), (2786, 32110), (3211, 27860), (3380, 26467), (3458, 25870), (3781, 23660), (3980, 22477), (4732, 18905), (4940, 18109), (5174, 17290), (5572, 16055), (5915, 15124), (6422, 13930), (6916, 12935), (6965, 12844), (7562, 11830), (8645, 10348)]