254443280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5033

約数の個数: 120

約数和(自身を含む): 741249432

約数和(自身を除く): 486806152

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 4993, 5096, 6370, 7280, 9986, 10192, 12740, 19972, 24965, 25480, 34951, 39944, 49930, 50960, 64909, 69902, 79888, 99860, 129818, 139804, 174755, 199720, 244657, 259636, 279608, 324545, 349510, 399440, 454363, 489314, 519272, 559216, 649090, 699020, 908726, 978628, 1038544, 1223285, 1298180, 1398040, 1817452, 1957256, 2271815, 2446570, 2596360, 2796080, 3180541, 3634904, 3914512, 4543630, 4893140, 5192720, 6361082, 7269808, 9087260, 9786280, 12722164, 15902705, 18174520, 19572560, 25444328, 31805410, 36349040, 50888656, 63610820, 127221640, 254443280]

約数ペア:

[(1, 254443280), (2, 127221640), (4, 63610820), (5, 50888656), (7, 36349040), (8, 31805410), (10, 25444328), (13, 19572560), (14, 18174520), (16, 15902705), (20, 12722164), (26, 9786280), (28, 9087260), (35, 7269808), (40, 6361082), (49, 5192720), (52, 4893140), (56, 4543630), (65, 3914512), (70, 3634904), (80, 3180541), (91, 2796080), (98, 2596360), (104, 2446570), (112, 2271815), (130, 1957256), (140, 1817452), (182, 1398040), (196, 1298180), (208, 1223285), (245, 1038544), (260, 978628), (280, 908726), (364, 699020), (392, 649090), (455, 559216), (490, 519272), (520, 489314), (560, 454363), (637, 399440), (728, 349510), (784, 324545), (910, 279608), (980, 259636), (1040, 244657), (1274, 199720), (1456, 174755), (1820, 139804), (1960, 129818), (2548, 99860), (3185, 79888), (3640, 69902), (3920, 64909), (4993, 50960), (5096, 49930), (6370, 39944), (7280, 34951), (9986, 25480), (10192, 24965), (12740, 19972)]