209164920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 665280000

約数和(自身を除く): 456115080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 380, 398, 456, 461, 570, 597, 760, 796, 922, 995, 1140, 1194, 1383, 1592, 1844, 1990, 2280, 2305, 2388, 2766, 2985, 3688, 3781, 3980, 4610, 4776, 5532, 5970, 6915, 7562, 7960, 8759, 9220, 11064, 11343, 11940, 13830, 15124, 17518, 18440, 18905, 22686, 23880, 26277, 27660, 30248, 35036, 37810, 43795, 45372, 52554, 55320, 56715, 70072, 75620, 87590, 90744, 91739, 105108, 113430, 131385, 151240, 175180, 183478, 210216, 226860, 262770, 275217, 350360, 366956, 453720, 458695, 525540, 550434, 733912, 917390, 1051080, 1100868, 1376085, 1743041, 1834780, 2201736, 2752170, 3486082, 3669560, 5229123, 5504340, 6972164, 8715205, 10458246, 11008680, 13944328, 17430410, 20916492, 26145615, 34860820, 41832984, 52291230, 69721640, 104582460, 209164920]

約数ペア:

[(1, 209164920), (2, 104582460), (3, 69721640), (4, 52291230), (5, 41832984), (6, 34860820), (8, 26145615), (10, 20916492), (12, 17430410), (15, 13944328), (19, 11008680), (20, 10458246), (24, 8715205), (30, 6972164), (38, 5504340), (40, 5229123), (57, 3669560), (60, 3486082), (76, 2752170), (95, 2201736), (114, 1834780), (120, 1743041), (152, 1376085), (190, 1100868), (199, 1051080), (228, 917390), (285, 733912), (380, 550434), (398, 525540), (456, 458695), (461, 453720), (570, 366956), (597, 350360), (760, 275217), (796, 262770), (922, 226860), (995, 210216), (1140, 183478), (1194, 175180), (1383, 151240), (1592, 131385), (1844, 113430), (1990, 105108), (2280, 91739), (2305, 90744), (2388, 87590), (2766, 75620), (2985, 70072), (3688, 56715), (3781, 55320), (3980, 52554), (4610, 45372), (4776, 43795), (5532, 37810), (5970, 35036), (6915, 30248), (7562, 27660), (7960, 26277), (8759, 23880), (9220, 22686), (11064, 18905), (11343, 18440), (11940, 17518), (13830, 15124)]