1219904000

素因数分解:

$2^9\times 5^3\times 7^2\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 240

約数和(自身を含む): 3547641240

約数和(自身を除く): 2327737240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 256, 280, 320, 350, 389, 392, 400, 448, 490, 500, 512, 560, 640, 700, 778, 784, 800, 875, 896, 980, 1000, 1120, 1225, 1280, 1400, 1556, 1568, 1600, 1750, 1792, 1945, 1960, 2000, 2240, 2450, 2560, 2723, 2800, 3112, 3136, 3200, 3500, 3584, 3890, 3920, 4000, 4480, 4900, 5446, 5600, 6125, 6224, 6272, 6400, 7000, 7780, 7840, 8000, 8960, 9725, 9800, 10892, 11200, 12250, 12448, 12544, 12800, 13615, 14000, 15560, 15680, 16000, 17920, 19061, 19450, 19600, 21784, 22400, 24500, 24896, 25088, 27230, 28000, 31120, 31360, 32000, 38122, 38900, 39200, 43568, 44800, 48625, 49000, 49792, 54460, 56000, 62240, 62720, 64000, 68075, 76244, 77800, 78400, 87136, 89600, 95305, 97250, 98000, 99584, 108920, 112000, 124480, 125440, 136150, 152488, 155600, 156800, 174272, 190610, 194500, 196000, 199168, 217840, 224000, 248960, 272300, 304976, 311200, 313600, 340375, 348544, 381220, 389000, 392000, 435680, 448000, 476525, 497920, 544600, 609952, 622400, 627200, 680750, 697088, 762440, 778000, 784000, 871360, 953050, 995840, 1089200, 1219904, 1244800, 1361500, 1394176, 1524880, 1556000, 1568000, 1742720, 1906100, 2178400, 2382625, 2439808, 2489600, 2723000, 3049760, 3112000, 3136000, 3485440, 3812200, 4356800, 4765250, 4879616, 4979200, 5446000, 6099520, 6224000, 6970880, 7624400, 8713600, 9530500, 9759232, 10892000, 12199040, 12448000, 15248800, 17427200, 19061000, 21784000, 24398080, 24896000, 30497600, 34854400, 38122000, 43568000, 48796160, 60995200, 76244000, 87136000, 121990400, 152488000, 174272000, 243980800, 304976000, 609952000, 1219904000]

約数ペア:

[(1, 1219904000), (2, 609952000), (4, 304976000), (5, 243980800), (7, 174272000), (8, 152488000), (10, 121990400), (14, 87136000), (16, 76244000), (20, 60995200), (25, 48796160), (28, 43568000), (32, 38122000), (35, 34854400), (40, 30497600), (49, 24896000), (50, 24398080), (56, 21784000), (64, 19061000), (70, 17427200), (80, 15248800), (98, 12448000), (100, 12199040), (112, 10892000), (125, 9759232), (128, 9530500), (140, 8713600), (160, 7624400), (175, 6970880), (196, 6224000), (200, 6099520), (224, 5446000), (245, 4979200), (250, 4879616), (256, 4765250), (280, 4356800), (320, 3812200), (350, 3485440), (389, 3136000), (392, 3112000), (400, 3049760), (448, 2723000), (490, 2489600), (500, 2439808), (512, 2382625), (560, 2178400), (640, 1906100), (700, 1742720), (778, 1568000), (784, 1556000), (800, 1524880), (875, 1394176), (896, 1361500), (980, 1244800), (1000, 1219904), (1120, 1089200), (1225, 995840), (1280, 953050), (1400, 871360), (1556, 784000), (1568, 778000), (1600, 762440), (1750, 697088), (1792, 680750), (1945, 627200), (1960, 622400), (2000, 609952), (2240, 544600), (2450, 497920), (2560, 476525), (2723, 448000), (2800, 435680), (3112, 392000), (3136, 389000), (3200, 381220), (3500, 348544), (3584, 340375), (3890, 313600), (3920, 311200), (4000, 304976), (4480, 272300), (4900, 248960), (5446, 224000), (5600, 217840), (6125, 199168), (6224, 196000), (6272, 194500), (6400, 190610), (7000, 174272), (7780, 156800), (7840, 155600), (8000, 152488), (8960, 136150), (9725, 125440), (9800, 124480), (10892, 112000), (11200, 108920), (12250, 99584), (12448, 98000), (12544, 97250), (12800, 95305), (13615, 89600), (14000, 87136), (15560, 78400), (15680, 77800), (16000, 76244), (17920, 68075), (19061, 64000), (19450, 62720), (19600, 62240), (21784, 56000), (22400, 54460), (24500, 49792), (24896, 49000), (25088, 48625), (27230, 44800), (28000, 43568), (31120, 39200), (31360, 38900), (32000, 38122)]