305012840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4007}}^1$

素因数の和:4202

約数の個数: 64

約数和(自身を含む): 753183360

約数和(自身を除く): 448170520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 692, 865, 1384, 1730, 1903, 3460, 3806, 4007, 6920, 7612, 8014, 9515, 15224, 16028, 19030, 20035, 32056, 38060, 40070, 44077, 76120, 80140, 88154, 160280, 176308, 220385, 352616, 440770, 693211, 881540, 1386422, 1763080, 2772844, 3466055, 5545688, 6932110, 7625321, 13864220, 15250642, 27728440, 30501284, 38126605, 61002568, 76253210, 152506420, 305012840]

約数ペア:

[(1, 305012840), (2, 152506420), (4, 76253210), (5, 61002568), (8, 38126605), (10, 30501284), (11, 27728440), (20, 15250642), (22, 13864220), (40, 7625321), (44, 6932110), (55, 5545688), (88, 3466055), (110, 2772844), (173, 1763080), (220, 1386422), (346, 881540), (440, 693211), (692, 440770), (865, 352616), (1384, 220385), (1730, 176308), (1903, 160280), (3460, 88154), (3806, 80140), (4007, 76120), (6920, 44077), (7612, 40070), (8014, 38060), (9515, 32056), (15224, 20035), (16028, 19030)]