228381440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 635765760

約数和(自身を除く): 407384320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 320, 355, 359, 448, 497, 560, 568, 640, 710, 718, 896, 994, 1120, 1136, 1280, 1420, 1436, 1792, 1795, 1988, 2240, 2272, 2485, 2513, 2840, 2872, 3590, 3976, 4480, 4544, 4970, 5026, 5680, 5744, 7180, 7952, 8960, 9088, 9940, 10052, 11360, 11488, 12565, 14360, 15904, 18176, 19880, 20104, 22720, 22976, 25130, 25489, 28720, 31808, 39760, 40208, 45440, 45952, 50260, 50978, 57440, 63616, 79520, 80416, 90880, 91904, 100520, 101956, 114880, 127232, 127445, 159040, 160832, 178423, 201040, 203912, 229760, 254890, 318080, 321664, 356846, 402080, 407824, 459520, 509780, 636160, 643328, 713692, 804160, 815648, 892115, 1019560, 1427384, 1608320, 1631296, 1784230, 2039120, 2854768, 3216640, 3262592, 3568460, 4078240, 5709536, 6525184, 7136920, 8156480, 11419072, 14273840, 16312960, 22838144, 28547680, 32625920, 45676288, 57095360, 114190720, 228381440]

約数ペア:

[(1, 228381440), (2, 114190720), (4, 57095360), (5, 45676288), (7, 32625920), (8, 28547680), (10, 22838144), (14, 16312960), (16, 14273840), (20, 11419072), (28, 8156480), (32, 7136920), (35, 6525184), (40, 5709536), (56, 4078240), (64, 3568460), (70, 3262592), (71, 3216640), (80, 2854768), (112, 2039120), (128, 1784230), (140, 1631296), (142, 1608320), (160, 1427384), (224, 1019560), (256, 892115), (280, 815648), (284, 804160), (320, 713692), (355, 643328), (359, 636160), (448, 509780), (497, 459520), (560, 407824), (568, 402080), (640, 356846), (710, 321664), (718, 318080), (896, 254890), (994, 229760), (1120, 203912), (1136, 201040), (1280, 178423), (1420, 160832), (1436, 159040), (1792, 127445), (1795, 127232), (1988, 114880), (2240, 101956), (2272, 100520), (2485, 91904), (2513, 90880), (2840, 80416), (2872, 79520), (3590, 63616), (3976, 57440), (4480, 50978), (4544, 50260), (4970, 45952), (5026, 45440), (5680, 40208), (5744, 39760), (7180, 31808), (7952, 28720), (8960, 25489), (9088, 25130), (9940, 22976), (10052, 22720), (11360, 20104), (11488, 19880), (12565, 18176), (14360, 15904)]