199999200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 656208000

約数和(自身を除く): 456208800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 167, 200, 240, 300, 334, 400, 480, 499, 501, 600, 668, 800, 835, 998, 1002, 1200, 1336, 1497, 1670, 1996, 2004, 2400, 2495, 2505, 2672, 2994, 3340, 3992, 4008, 4175, 4990, 5010, 5344, 5988, 6680, 7485, 7984, 8016, 8350, 9980, 10020, 11976, 12475, 12525, 13360, 14970, 15968, 16032, 16700, 19960, 20040, 23952, 24950, 25050, 26720, 29940, 33400, 37425, 39920, 40080, 47904, 49900, 50100, 59880, 66800, 74850, 79840, 80160, 83333, 99800, 100200, 119760, 133600, 149700, 166666, 199600, 200400, 239520, 249999, 299400, 333332, 399200, 400800, 416665, 499998, 598800, 666664, 833330, 999996, 1197600, 1249995, 1333328, 1666660, 1999992, 2083325, 2499990, 2666656, 3333320, 3999984, 4166650, 4999980, 6249975, 6666640, 7999968, 8333300, 9999960, 12499950, 13333280, 16666600, 19999920, 24999900, 33333200, 39999840, 49999800, 66666400, 99999600, 199999200]

約数ペア:

[(1, 199999200), (2, 99999600), (3, 66666400), (4, 49999800), (5, 39999840), (6, 33333200), (8, 24999900), (10, 19999920), (12, 16666600), (15, 13333280), (16, 12499950), (20, 9999960), (24, 8333300), (25, 7999968), (30, 6666640), (32, 6249975), (40, 4999980), (48, 4166650), (50, 3999984), (60, 3333320), (75, 2666656), (80, 2499990), (96, 2083325), (100, 1999992), (120, 1666660), (150, 1333328), (160, 1249995), (167, 1197600), (200, 999996), (240, 833330), (300, 666664), (334, 598800), (400, 499998), (480, 416665), (499, 400800), (501, 399200), (600, 333332), (668, 299400), (800, 249999), (835, 239520), (998, 200400), (1002, 199600), (1200, 166666), (1336, 149700), (1497, 133600), (1670, 119760), (1996, 100200), (2004, 99800), (2400, 83333), (2495, 80160), (2505, 79840), (2672, 74850), (2994, 66800), (3340, 59880), (3992, 50100), (4008, 49900), (4175, 47904), (4990, 40080), (5010, 39920), (5344, 37425), (5988, 33400), (6680, 29940), (7485, 26720), (7984, 25050), (8016, 24950), (8350, 23952), (9980, 20040), (10020, 19960), (11976, 16700), (12475, 16032), (12525, 15968), (13360, 14970)]