213017560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3823}}^1$

素因数の和:4040

約数の個数: 64

約数和(自身を含む): 550656000

約数和(自身を除く): 337638440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3823, 3980, 5572, 6965, 7646, 7960, 11144, 13930, 15292, 19115, 26761, 27860, 30584, 38230, 53522, 55720, 76460, 107044, 133805, 152920, 214088, 267610, 535220, 760777, 1070440, 1521554, 3043108, 3803885, 5325439, 6086216, 7607770, 10650878, 15215540, 21301756, 26627195, 30431080, 42603512, 53254390, 106508780, 213017560]

約数ペア:

[(1, 213017560), (2, 106508780), (4, 53254390), (5, 42603512), (7, 30431080), (8, 26627195), (10, 21301756), (14, 15215540), (20, 10650878), (28, 7607770), (35, 6086216), (40, 5325439), (56, 3803885), (70, 3043108), (140, 1521554), (199, 1070440), (280, 760777), (398, 535220), (796, 267610), (995, 214088), (1393, 152920), (1592, 133805), (1990, 107044), (2786, 76460), (3823, 55720), (3980, 53522), (5572, 38230), (6965, 30584), (7646, 27860), (7960, 26761), (11144, 19115), (13930, 15292)]