320012980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{5279}}^1$

素因数の和:5728

約数の個数: 48

約数和(自身を含む): 769950720

約数和(自身を除く): 449937740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 433, 866, 1732, 2165, 3031, 4330, 5279, 6062, 8660, 10558, 12124, 15155, 21116, 26395, 30310, 36953, 52790, 60620, 73906, 105580, 147812, 184765, 369530, 739060, 2285807, 4571614, 9143228, 11429035, 16000649, 22858070, 32001298, 45716140, 64002596, 80003245, 160006490, 320012980]

約数ペア:

[(1, 320012980), (2, 160006490), (4, 80003245), (5, 64002596), (7, 45716140), (10, 32001298), (14, 22858070), (20, 16000649), (28, 11429035), (35, 9143228), (70, 4571614), (140, 2285807), (433, 739060), (866, 369530), (1732, 184765), (2165, 147812), (3031, 105580), (4330, 73906), (5279, 60620), (6062, 52790), (8660, 36953), (10558, 30310), (12124, 26395), (15155, 21116)]