1888880000

素因数分解:

$2^7\times 5^4\times 7^1\times {\mathrm{3373}}^1$

素因数の和:3414

約数の個数: 160

約数和(自身を含む): 5375591760

約数和(自身を除く): 3486711760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 640, 700, 800, 875, 896, 1000, 1120, 1250, 1400, 1600, 1750, 2000, 2240, 2500, 2800, 3200, 3373, 3500, 4000, 4375, 4480, 5000, 5600, 6746, 7000, 8000, 8750, 10000, 11200, 13492, 14000, 16000, 16865, 17500, 20000, 22400, 23611, 26984, 28000, 33730, 35000, 40000, 47222, 53968, 56000, 67460, 70000, 80000, 84325, 94444, 107936, 112000, 118055, 134920, 140000, 168650, 188888, 215872, 236110, 269840, 280000, 337300, 377776, 421625, 431744, 472220, 539680, 560000, 590275, 674600, 755552, 843250, 944440, 1079360, 1180550, 1349200, 1511104, 1686500, 1888880, 2108125, 2158720, 2361100, 2698400, 2951375, 3022208, 3373000, 3777760, 4216250, 4722200, 5396800, 5902750, 6746000, 7555520, 8432500, 9444400, 10793600, 11805500, 13492000, 14756875, 15111040, 16865000, 18888800, 23611000, 26984000, 29513750, 33730000, 37777600, 47222000, 53968000, 59027500, 67460000, 75555200, 94444000, 118055000, 134920000, 188888000, 236110000, 269840000, 377776000, 472220000, 944440000, 1888880000]

約数ペア:

[(1, 1888880000), (2, 944440000), (4, 472220000), (5, 377776000), (7, 269840000), (8, 236110000), (10, 188888000), (14, 134920000), (16, 118055000), (20, 94444000), (25, 75555200), (28, 67460000), (32, 59027500), (35, 53968000), (40, 47222000), (50, 37777600), (56, 33730000), (64, 29513750), (70, 26984000), (80, 23611000), (100, 18888800), (112, 16865000), (125, 15111040), (128, 14756875), (140, 13492000), (160, 11805500), (175, 10793600), (200, 9444400), (224, 8432500), (250, 7555520), (280, 6746000), (320, 5902750), (350, 5396800), (400, 4722200), (448, 4216250), (500, 3777760), (560, 3373000), (625, 3022208), (640, 2951375), (700, 2698400), (800, 2361100), (875, 2158720), (896, 2108125), (1000, 1888880), (1120, 1686500), (1250, 1511104), (1400, 1349200), (1600, 1180550), (1750, 1079360), (2000, 944440), (2240, 843250), (2500, 755552), (2800, 674600), (3200, 590275), (3373, 560000), (3500, 539680), (4000, 472220), (4375, 431744), (4480, 421625), (5000, 377776), (5600, 337300), (6746, 280000), (7000, 269840), (8000, 236110), (8750, 215872), (10000, 188888), (11200, 168650), (13492, 140000), (14000, 134920), (16000, 118055), (16865, 112000), (17500, 107936), (20000, 94444), (22400, 84325), (23611, 80000), (26984, 70000), (28000, 67460), (33730, 56000), (35000, 53968), (40000, 47222)]