1990175376

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{2357}}^1$

素因数の和:2741

約数の個数: 120

約数和(自身を含む): 5999883840

約数和(自身を除く): 4009708464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 359, 392, 588, 718, 784, 1077, 1176, 1436, 2154, 2352, 2357, 2513, 2872, 4308, 4714, 5026, 5744, 7071, 7539, 8616, 9428, 10052, 14142, 15078, 16499, 17232, 17591, 18856, 20104, 28284, 30156, 32998, 35182, 37712, 40208, 49497, 52773, 56568, 60312, 65996, 70364, 98994, 105546, 113136, 115493, 120624, 131992, 140728, 197988, 211092, 230986, 263984, 281456, 346479, 395976, 422184, 461972, 692958, 791952, 844368, 846163, 923944, 1385916, 1692326, 1847888, 2538489, 2771832, 3384652, 5076978, 5543664, 5923141, 6769304, 10153956, 11846282, 13538608, 17769423, 20307912, 23692564, 35538846, 40615824, 41461987, 47385128, 71077692, 82923974, 94770256, 124385961, 142155384, 165847948, 248771922, 284310768, 331695896, 497543844, 663391792, 995087688, 1990175376]

約数ペア:

[(1, 1990175376), (2, 995087688), (3, 663391792), (4, 497543844), (6, 331695896), (7, 284310768), (8, 248771922), (12, 165847948), (14, 142155384), (16, 124385961), (21, 94770256), (24, 82923974), (28, 71077692), (42, 47385128), (48, 41461987), (49, 40615824), (56, 35538846), (84, 23692564), (98, 20307912), (112, 17769423), (147, 13538608), (168, 11846282), (196, 10153956), (294, 6769304), (336, 5923141), (359, 5543664), (392, 5076978), (588, 3384652), (718, 2771832), (784, 2538489), (1077, 1847888), (1176, 1692326), (1436, 1385916), (2154, 923944), (2352, 846163), (2357, 844368), (2513, 791952), (2872, 692958), (4308, 461972), (4714, 422184), (5026, 395976), (5744, 346479), (7071, 281456), (7539, 263984), (8616, 230986), (9428, 211092), (10052, 197988), (14142, 140728), (15078, 131992), (16499, 120624), (17232, 115493), (17591, 113136), (18856, 105546), (20104, 98994), (28284, 70364), (30156, 65996), (32998, 60312), (35182, 56568), (37712, 52773), (40208, 49497)]