189900000

素因数分解:

$2^5\times 3^2\times 5^5\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 216

約数和(自身を含む): 678190968

約数和(自身を除く): 488290968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 200, 211, 225, 240, 250, 288, 300, 360, 375, 400, 422, 450, 480, 500, 600, 625, 633, 720, 750, 800, 844, 900, 1000, 1055, 1125, 1200, 1250, 1266, 1440, 1500, 1688, 1800, 1875, 1899, 2000, 2110, 2250, 2400, 2500, 2532, 3000, 3125, 3165, 3376, 3600, 3750, 3798, 4000, 4220, 4500, 5000, 5064, 5275, 5625, 6000, 6250, 6330, 6752, 7200, 7500, 7596, 8440, 9000, 9375, 9495, 10000, 10128, 10550, 11250, 12000, 12500, 12660, 15000, 15192, 15825, 16880, 18000, 18750, 18990, 20000, 20256, 21100, 22500, 25000, 25320, 26375, 28125, 30000, 30384, 31650, 33760, 36000, 37500, 37980, 42200, 45000, 47475, 50000, 50640, 52750, 56250, 60000, 60768, 63300, 75000, 75960, 79125, 84400, 90000, 94950, 100000, 101280, 105500, 112500, 126600, 131875, 150000, 151920, 158250, 168800, 180000, 189900, 211000, 225000, 237375, 253200, 263750, 300000, 303840, 316500, 379800, 395625, 422000, 450000, 474750, 506400, 527500, 633000, 659375, 759600, 791250, 844000, 900000, 949500, 1055000, 1186875, 1266000, 1318750, 1519200, 1582500, 1899000, 1978125, 2110000, 2373750, 2532000, 2637500, 3165000, 3798000, 3956250, 4220000, 4747500, 5275000, 5934375, 6330000, 7596000, 7912500, 9495000, 10550000, 11868750, 12660000, 15825000, 18990000, 21100000, 23737500, 31650000, 37980000, 47475000, 63300000, 94950000, 189900000]

約数ペア:

[(1, 189900000), (2, 94950000), (3, 63300000), (4, 47475000), (5, 37980000), (6, 31650000), (8, 23737500), (9, 21100000), (10, 18990000), (12, 15825000), (15, 12660000), (16, 11868750), (18, 10550000), (20, 9495000), (24, 7912500), (25, 7596000), (30, 6330000), (32, 5934375), (36, 5275000), (40, 4747500), (45, 4220000), (48, 3956250), (50, 3798000), (60, 3165000), (72, 2637500), (75, 2532000), (80, 2373750), (90, 2110000), (96, 1978125), (100, 1899000), (120, 1582500), (125, 1519200), (144, 1318750), (150, 1266000), (160, 1186875), (180, 1055000), (200, 949500), (211, 900000), (225, 844000), (240, 791250), (250, 759600), (288, 659375), (300, 633000), (360, 527500), (375, 506400), (400, 474750), (422, 450000), (450, 422000), (480, 395625), (500, 379800), (600, 316500), (625, 303840), (633, 300000), (720, 263750), (750, 253200), (800, 237375), (844, 225000), (900, 211000), (1000, 189900), (1055, 180000), (1125, 168800), (1200, 158250), (1250, 151920), (1266, 150000), (1440, 131875), (1500, 126600), (1688, 112500), (1800, 105500), (1875, 101280), (1899, 100000), (2000, 94950), (2110, 90000), (2250, 84400), (2400, 79125), (2500, 75960), (2532, 75000), (3000, 63300), (3125, 60768), (3165, 60000), (3376, 56250), (3600, 52750), (3750, 50640), (3798, 50000), (4000, 47475), (4220, 45000), (4500, 42200), (5000, 37980), (5064, 37500), (5275, 36000), (5625, 33760), (6000, 31650), (6250, 30384), (6330, 30000), (6752, 28125), (7200, 26375), (7500, 25320), (7596, 25000), (8440, 22500), (9000, 21100), (9375, 20256), (9495, 20000), (10000, 18990), (10128, 18750), (10550, 18000), (11250, 16880), (12000, 15825), (12500, 15192), (12660, 15000)]