78382940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 171612000

約数和(自身を除く): 93229060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 907, 1490, 1814, 2980, 3628, 4321, 4535, 8642, 9070, 17284, 18140, 21605, 26303, 43210, 52606, 86420, 105212, 131515, 135143, 263030, 270286, 526060, 540572, 675715, 1351430, 2702860, 3919147, 7838294, 15676588, 19595735, 39191470, 78382940]

約数ペア:

[(1, 78382940), (2, 39191470), (4, 19595735), (5, 15676588), (10, 7838294), (20, 3919147), (29, 2702860), (58, 1351430), (116, 675715), (145, 540572), (149, 526060), (290, 270286), (298, 263030), (580, 135143), (596, 131515), (745, 105212), (907, 86420), (1490, 52606), (1814, 43210), (2980, 26303), (3628, 21605), (4321, 18140), (4535, 17284), (8642, 9070)]