420031640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1500113}}^1$

素因数の和:1500131

約数の個数: 32

約数和(自身を含む): 1080082080

約数和(自身を除く): 660050440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1500113, 3000226, 6000452, 7500565, 10500791, 12000904, 15001130, 21001582, 30002260, 42003164, 52503955, 60004520, 84006328, 105007910, 210015820, 420031640]

約数ペア:

[(1, 420031640), (2, 210015820), (4, 105007910), (5, 84006328), (7, 60004520), (8, 52503955), (10, 42003164), (14, 30002260), (20, 21001582), (28, 15001130), (35, 12000904), (40, 10500791), (56, 7500565), (70, 6000452), (140, 3000226), (280, 1500113)]