201901420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7247}}^1$

素因数の和:7462

約数の個数: 48

約数和(自身を含む): 487065600

約数和(自身を除く): 285164180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 7247, 13930, 14494, 27860, 28988, 36235, 50729, 72470, 101458, 144940, 202916, 253645, 507290, 1014580, 1442153, 2884306, 5768612, 7210765, 10095071, 14421530, 20190142, 28843060, 40380284, 50475355, 100950710, 201901420]

約数ペア:

[(1, 201901420), (2, 100950710), (4, 50475355), (5, 40380284), (7, 28843060), (10, 20190142), (14, 14421530), (20, 10095071), (28, 7210765), (35, 5768612), (70, 2884306), (140, 1442153), (199, 1014580), (398, 507290), (796, 253645), (995, 202916), (1393, 144940), (1990, 101458), (2786, 72470), (3980, 50729), (5572, 36235), (6965, 28988), (7247, 27860), (13930, 14494)]