490800000

素因数分解:

$2^7\times 3^1\times 5^5\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 1633489200

約数和(自身を除く): 1142689200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 409, 480, 500, 600, 625, 640, 750, 800, 818, 960, 1000, 1200, 1227, 1250, 1500, 1600, 1636, 1875, 1920, 2000, 2045, 2400, 2454, 2500, 3000, 3125, 3200, 3272, 3750, 4000, 4090, 4800, 4908, 5000, 6000, 6135, 6250, 6544, 7500, 8000, 8180, 9375, 9600, 9816, 10000, 10225, 12000, 12270, 12500, 13088, 15000, 16000, 16360, 18750, 19632, 20000, 20450, 24000, 24540, 25000, 26176, 30000, 30675, 32720, 37500, 39264, 40000, 40900, 48000, 49080, 50000, 51125, 52352, 60000, 61350, 65440, 75000, 78528, 80000, 81800, 98160, 100000, 102250, 120000, 122700, 130880, 150000, 153375, 157056, 163600, 196320, 200000, 204500, 240000, 245400, 255625, 261760, 300000, 306750, 327200, 392640, 400000, 409000, 490800, 511250, 600000, 613500, 654400, 766875, 785280, 818000, 981600, 1022500, 1200000, 1227000, 1278125, 1308800, 1533750, 1636000, 1963200, 2045000, 2454000, 2556250, 3067500, 3272000, 3834375, 3926400, 4090000, 4908000, 5112500, 6135000, 6544000, 7668750, 8180000, 9816000, 10225000, 12270000, 15337500, 16360000, 19632000, 20450000, 24540000, 30675000, 32720000, 40900000, 49080000, 61350000, 81800000, 98160000, 122700000, 163600000, 245400000, 490800000]

約数ペア:

[(1, 490800000), (2, 245400000), (3, 163600000), (4, 122700000), (5, 98160000), (6, 81800000), (8, 61350000), (10, 49080000), (12, 40900000), (15, 32720000), (16, 30675000), (20, 24540000), (24, 20450000), (25, 19632000), (30, 16360000), (32, 15337500), (40, 12270000), (48, 10225000), (50, 9816000), (60, 8180000), (64, 7668750), (75, 6544000), (80, 6135000), (96, 5112500), (100, 4908000), (120, 4090000), (125, 3926400), (128, 3834375), (150, 3272000), (160, 3067500), (192, 2556250), (200, 2454000), (240, 2045000), (250, 1963200), (300, 1636000), (320, 1533750), (375, 1308800), (384, 1278125), (400, 1227000), (409, 1200000), (480, 1022500), (500, 981600), (600, 818000), (625, 785280), (640, 766875), (750, 654400), (800, 613500), (818, 600000), (960, 511250), (1000, 490800), (1200, 409000), (1227, 400000), (1250, 392640), (1500, 327200), (1600, 306750), (1636, 300000), (1875, 261760), (1920, 255625), (2000, 245400), (2045, 240000), (2400, 204500), (2454, 200000), (2500, 196320), (3000, 163600), (3125, 157056), (3200, 153375), (3272, 150000), (3750, 130880), (4000, 122700), (4090, 120000), (4800, 102250), (4908, 100000), (5000, 98160), (6000, 81800), (6135, 80000), (6250, 78528), (6544, 75000), (7500, 65440), (8000, 61350), (8180, 60000), (9375, 52352), (9600, 51125), (9816, 50000), (10000, 49080), (10225, 48000), (12000, 40900), (12270, 40000), (12500, 39264), (13088, 37500), (15000, 32720), (16000, 30675), (16360, 30000), (18750, 26176), (19632, 25000), (20000, 24540), (20450, 24000)]