4451720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 12337920

約数和(自身を除く): 7886200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1223, 1820, 2446, 3640, 4892, 6115, 8561, 9784, 12230, 15899, 17122, 24460, 31798, 34244, 42805, 48920, 63596, 68488, 79495, 85610, 111293, 127192, 158990, 171220, 222586, 317980, 342440, 445172, 556465, 635960, 890344, 1112930, 2225860, 4451720]

約数ペア:

[(1, 4451720), (2, 2225860), (4, 1112930), (5, 890344), (7, 635960), (8, 556465), (10, 445172), (13, 342440), (14, 317980), (20, 222586), (26, 171220), (28, 158990), (35, 127192), (40, 111293), (52, 85610), (56, 79495), (65, 68488), (70, 63596), (91, 48920), (104, 42805), (130, 34244), (140, 31798), (182, 24460), (260, 17122), (280, 15899), (364, 12230), (455, 9784), (520, 8561), (728, 6115), (910, 4892), (1223, 3640), (1820, 2446)]