4992880000

素因数分解:

$2^7\times 5^4\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:622

約数の個数: 160

約数和(自身を含む): 12546765000

約数和(自身を除く): 7553885000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 139, 160, 200, 250, 278, 320, 400, 449, 500, 556, 625, 640, 695, 800, 898, 1000, 1112, 1250, 1390, 1600, 1796, 2000, 2224, 2245, 2500, 2780, 3200, 3475, 3592, 4000, 4448, 4490, 5000, 5560, 6950, 7184, 8000, 8896, 8980, 10000, 11120, 11225, 13900, 14368, 16000, 17375, 17792, 17960, 20000, 22240, 22450, 27800, 28736, 34750, 35920, 40000, 44480, 44900, 55600, 56125, 57472, 62411, 69500, 71840, 80000, 86875, 88960, 89800, 111200, 112250, 124822, 139000, 143680, 173750, 179600, 222400, 224500, 249644, 278000, 280625, 287360, 312055, 347500, 359200, 444800, 449000, 499288, 556000, 561250, 624110, 695000, 718400, 898000, 998576, 1112000, 1122500, 1248220, 1390000, 1436800, 1560275, 1796000, 1997152, 2224000, 2245000, 2496440, 2780000, 3120550, 3592000, 3994304, 4490000, 4992880, 5560000, 6241100, 7184000, 7801375, 7988608, 8980000, 9985760, 11120000, 12482200, 15602750, 17960000, 19971520, 24964400, 31205500, 35920000, 39006875, 39943040, 49928800, 62411000, 78013750, 99857600, 124822000, 156027500, 199715200, 249644000, 312055000, 499288000, 624110000, 998576000, 1248220000, 2496440000, 4992880000]

約数ペア:

[(1, 4992880000), (2, 2496440000), (4, 1248220000), (5, 998576000), (8, 624110000), (10, 499288000), (16, 312055000), (20, 249644000), (25, 199715200), (32, 156027500), (40, 124822000), (50, 99857600), (64, 78013750), (80, 62411000), (100, 49928800), (125, 39943040), (128, 39006875), (139, 35920000), (160, 31205500), (200, 24964400), (250, 19971520), (278, 17960000), (320, 15602750), (400, 12482200), (449, 11120000), (500, 9985760), (556, 8980000), (625, 7988608), (640, 7801375), (695, 7184000), (800, 6241100), (898, 5560000), (1000, 4992880), (1112, 4490000), (1250, 3994304), (1390, 3592000), (1600, 3120550), (1796, 2780000), (2000, 2496440), (2224, 2245000), (2245, 2224000), (2500, 1997152), (2780, 1796000), (3200, 1560275), (3475, 1436800), (3592, 1390000), (4000, 1248220), (4448, 1122500), (4490, 1112000), (5000, 998576), (5560, 898000), (6950, 718400), (7184, 695000), (8000, 624110), (8896, 561250), (8980, 556000), (10000, 499288), (11120, 449000), (11225, 444800), (13900, 359200), (14368, 347500), (16000, 312055), (17375, 287360), (17792, 280625), (17960, 278000), (20000, 249644), (22240, 224500), (22450, 222400), (27800, 179600), (28736, 173750), (34750, 143680), (35920, 139000), (40000, 124822), (44480, 112250), (44900, 111200), (55600, 89800), (56125, 88960), (57472, 86875), (62411, 80000), (69500, 71840)]