391578528040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2791}}^1\times {\mathrm{4597}}^1$

素因数の和:7515

約数の個数: 128

約数和(自身を含む): 1016739187200

約数和(自身を除く): 625160659160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2791, 3052, 3815, 4360, 4597, 5582, 6104, 7630, 9194, 11164, 13955, 15260, 18388, 19537, 22328, 22985, 27910, 30520, 32179, 36776, 39074, 45970, 55820, 64358, 78148, 91940, 97685, 111640, 128716, 156296, 160895, 183880, 195370, 257432, 304219, 321790, 390740, 501073, 608438, 643580, 781480, 1002146, 1216876, 1287160, 1521095, 2004292, 2129533, 2433752, 2505365, 3042190, 3507511, 4008584, 4259066, 5010730, 6084380, 7015022, 8518132, 10021460, 10647665, 12168760, 12830227, 14030044, 17036264, 17537555, 20042920, 21295330, 25660454, 28060088, 35075110, 42590660, 51320908, 64151135, 70150220, 85181320, 89811589, 102641816, 128302270, 140300440, 179623178, 256604540, 359246356, 449057945, 513209080, 718492712, 898115890, 1398494743, 1796231780, 2796989486, 3592463560, 5593978972, 6992473715, 9789463201, 11187957944, 13984947430, 19578926402, 27969894860, 39157852804, 48947316005, 55939789720, 78315705608, 97894632010, 195789264020, 391578528040]

約数ペア:

[(1, 391578528040), (2, 195789264020), (4, 97894632010), (5, 78315705608), (7, 55939789720), (8, 48947316005), (10, 39157852804), (14, 27969894860), (20, 19578926402), (28, 13984947430), (35, 11187957944), (40, 9789463201), (56, 6992473715), (70, 5593978972), (109, 3592463560), (140, 2796989486), (218, 1796231780), (280, 1398494743), (436, 898115890), (545, 718492712), (763, 513209080), (872, 449057945), (1090, 359246356), (1526, 256604540), (2180, 179623178), (2791, 140300440), (3052, 128302270), (3815, 102641816), (4360, 89811589), (4597, 85181320), (5582, 70150220), (6104, 64151135), (7630, 51320908), (9194, 42590660), (11164, 35075110), (13955, 28060088), (15260, 25660454), (18388, 21295330), (19537, 20042920), (22328, 17537555), (22985, 17036264), (27910, 14030044), (30520, 12830227), (32179, 12168760), (36776, 10647665), (39074, 10021460), (45970, 8518132), (55820, 7015022), (64358, 6084380), (78148, 5010730), (91940, 4259066), (97685, 4008584), (111640, 3507511), (128716, 3042190), (156296, 2505365), (160895, 2433752), (183880, 2129533), (195370, 2004292), (257432, 1521095), (304219, 1287160), (321790, 1216876), (390740, 1002146), (501073, 781480), (608438, 643580)]