142738400

素因数分解:

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

素因数の和:457

約数の個数: 144

約数和(自身を含む): 404974080

約数和(自身を除く): 262235680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 71, 80, 100, 112, 140, 142, 160, 175, 200, 224, 280, 284, 350, 355, 359, 400, 497, 560, 568, 700, 710, 718, 800, 994, 1120, 1136, 1400, 1420, 1436, 1775, 1795, 1988, 2272, 2485, 2513, 2800, 2840, 2872, 3550, 3590, 3976, 4970, 5026, 5600, 5680, 5744, 7100, 7180, 7952, 8975, 9940, 10052, 11360, 11488, 12425, 12565, 14200, 14360, 15904, 17950, 19880, 20104, 24850, 25130, 25489, 28400, 28720, 35900, 39760, 40208, 49700, 50260, 50978, 56800, 57440, 62825, 71800, 79520, 80416, 99400, 100520, 101956, 125650, 127445, 143600, 178423, 198800, 201040, 203912, 251300, 254890, 287200, 356846, 397600, 402080, 407824, 502600, 509780, 637225, 713692, 815648, 892115, 1005200, 1019560, 1274450, 1427384, 1784230, 2010400, 2039120, 2548900, 2854768, 3568460, 4078240, 4460575, 5097800, 5709536, 7136920, 8921150, 10195600, 14273840, 17842300, 20391200, 28547680, 35684600, 71369200, 142738400]

約数ペア:

[(1, 142738400), (2, 71369200), (4, 35684600), (5, 28547680), (7, 20391200), (8, 17842300), (10, 14273840), (14, 10195600), (16, 8921150), (20, 7136920), (25, 5709536), (28, 5097800), (32, 4460575), (35, 4078240), (40, 3568460), (50, 2854768), (56, 2548900), (70, 2039120), (71, 2010400), (80, 1784230), (100, 1427384), (112, 1274450), (140, 1019560), (142, 1005200), (160, 892115), (175, 815648), (200, 713692), (224, 637225), (280, 509780), (284, 502600), (350, 407824), (355, 402080), (359, 397600), (400, 356846), (497, 287200), (560, 254890), (568, 251300), (700, 203912), (710, 201040), (718, 198800), (800, 178423), (994, 143600), (1120, 127445), (1136, 125650), (1400, 101956), (1420, 100520), (1436, 99400), (1775, 80416), (1795, 79520), (1988, 71800), (2272, 62825), (2485, 57440), (2513, 56800), (2800, 50978), (2840, 50260), (2872, 49700), (3550, 40208), (3590, 39760), (3976, 35900), (4970, 28720), (5026, 28400), (5600, 25489), (5680, 25130), (5744, 24850), (7100, 20104), (7180, 19880), (7952, 17950), (8975, 15904), (9940, 14360), (10052, 14200), (11360, 12565), (11488, 12425)]