54438440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 140832000

約数和(自身を除く): 86393560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 977, 995, 1393, 1592, 1954, 1990, 2786, 3908, 3980, 4885, 5572, 6839, 6965, 7816, 7960, 9770, 11144, 13678, 13930, 19540, 27356, 27860, 34195, 39080, 54712, 55720, 68390, 136780, 194423, 273560, 388846, 777692, 972115, 1360961, 1555384, 1944230, 2721922, 3888460, 5443844, 6804805, 7776920, 10887688, 13609610, 27219220, 54438440]

約数ペア:

[(1, 54438440), (2, 27219220), (4, 13609610), (5, 10887688), (7, 7776920), (8, 6804805), (10, 5443844), (14, 3888460), (20, 2721922), (28, 1944230), (35, 1555384), (40, 1360961), (56, 972115), (70, 777692), (140, 388846), (199, 273560), (280, 194423), (398, 136780), (796, 68390), (977, 55720), (995, 54712), (1393, 39080), (1592, 34195), (1954, 27860), (1990, 27356), (2786, 19540), (3908, 13930), (3980, 13678), (4885, 11144), (5572, 9770), (6839, 7960), (6965, 7816)]