4151140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 10080000

約数和(自身を除く): 5928860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 199, 298, 398, 596, 745, 796, 995, 1043, 1393, 1490, 1990, 2086, 2786, 2980, 3980, 4172, 5215, 5572, 6965, 10430, 13930, 20860, 27860, 29651, 59302, 118604, 148255, 207557, 296510, 415114, 593020, 830228, 1037785, 2075570, 4151140]

約数ペア:

[(1, 4151140), (2, 2075570), (4, 1037785), (5, 830228), (7, 593020), (10, 415114), (14, 296510), (20, 207557), (28, 148255), (35, 118604), (70, 59302), (140, 29651), (149, 27860), (199, 20860), (298, 13930), (398, 10430), (596, 6965), (745, 5572), (796, 5215), (995, 4172), (1043, 3980), (1393, 2980), (1490, 2786), (1990, 2086)]