1338400000

素因数分解:

$2^8\times 5^5\times 7^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 216

約数和(自身を含む): 3832254720

約数和(自身を除く): 2493854720

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, 239, 250, 256, 280, 320, 350, 400, 448, 478, 500, 560, 625, 640, 700, 800, 875, 896, 956, 1000, 1120, 1195, 1250, 1280, 1400, 1600, 1673, 1750, 1792, 1912, 2000, 2240, 2390, 2500, 2800, 3125, 3200, 3346, 3500, 3824, 4000, 4375, 4480, 4780, 5000, 5600, 5975, 6250, 6400, 6692, 7000, 7648, 8000, 8365, 8750, 8960, 9560, 10000, 11200, 11950, 12500, 13384, 14000, 15296, 16000, 16730, 17500, 19120, 20000, 21875, 22400, 23900, 25000, 26768, 28000, 29875, 30592, 32000, 33460, 35000, 38240, 40000, 41825, 43750, 44800, 47800, 50000, 53536, 56000, 59750, 61184, 66920, 70000, 76480, 80000, 83650, 87500, 95600, 100000, 107072, 112000, 119500, 133840, 140000, 149375, 152960, 160000, 167300, 175000, 191200, 200000, 209125, 214144, 224000, 239000, 267680, 280000, 298750, 305920, 334600, 350000, 382400, 400000, 418250, 428288, 478000, 535360, 560000, 597500, 669200, 700000, 746875, 764800, 800000, 836500, 956000, 1045625, 1070720, 1120000, 1195000, 1338400, 1400000, 1493750, 1529600, 1673000, 1912000, 2091250, 2141440, 2390000, 2676800, 2800000, 2987500, 3346000, 3824000, 4182500, 4780000, 5228125, 5353600, 5600000, 5975000, 6692000, 7648000, 8365000, 9560000, 10456250, 10707200, 11950000, 13384000, 16730000, 19120000, 20912500, 23900000, 26768000, 33460000, 38240000, 41825000, 47800000, 53536000, 66920000, 83650000, 95600000, 133840000, 167300000, 191200000, 267680000, 334600000, 669200000, 1338400000]

約数ペア:

[(1, 1338400000), (2, 669200000), (4, 334600000), (5, 267680000), (7, 191200000), (8, 167300000), (10, 133840000), (14, 95600000), (16, 83650000), (20, 66920000), (25, 53536000), (28, 47800000), (32, 41825000), (35, 38240000), (40, 33460000), (50, 26768000), (56, 23900000), (64, 20912500), (70, 19120000), (80, 16730000), (100, 13384000), (112, 11950000), (125, 10707200), (128, 10456250), (140, 9560000), (160, 8365000), (175, 7648000), (200, 6692000), (224, 5975000), (239, 5600000), (250, 5353600), (256, 5228125), (280, 4780000), (320, 4182500), (350, 3824000), (400, 3346000), (448, 2987500), (478, 2800000), (500, 2676800), (560, 2390000), (625, 2141440), (640, 2091250), (700, 1912000), (800, 1673000), (875, 1529600), (896, 1493750), (956, 1400000), (1000, 1338400), (1120, 1195000), (1195, 1120000), (1250, 1070720), (1280, 1045625), (1400, 956000), (1600, 836500), (1673, 800000), (1750, 764800), (1792, 746875), (1912, 700000), (2000, 669200), (2240, 597500), (2390, 560000), (2500, 535360), (2800, 478000), (3125, 428288), (3200, 418250), (3346, 400000), (3500, 382400), (3824, 350000), (4000, 334600), (4375, 305920), (4480, 298750), (4780, 280000), (5000, 267680), (5600, 239000), (5975, 224000), (6250, 214144), (6400, 209125), (6692, 200000), (7000, 191200), (7648, 175000), (8000, 167300), (8365, 160000), (8750, 152960), (8960, 149375), (9560, 140000), (10000, 133840), (11200, 119500), (11950, 112000), (12500, 107072), (13384, 100000), (14000, 95600), (15296, 87500), (16000, 83650), (16730, 80000), (17500, 76480), (19120, 70000), (20000, 66920), (21875, 61184), (22400, 59750), (23900, 56000), (25000, 53536), (26768, 50000), (28000, 47800), (29875, 44800), (30592, 43750), (32000, 41825), (33460, 40000), (35000, 38240)]