290424988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{9043}}^1$

素因数の和:9122

約数の個数: 48

約数和(自身を含む): 615860224

約数和(自身を除く): 325435236

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 8029, 9043, 16058, 18086, 32116, 36172, 63301, 126602, 253204, 280333, 334591, 560666, 669182, 1121332, 1338364, 1962331, 2342137, 3924662, 4684274, 7849324, 9368548, 10372321, 20744642, 41489284, 72606247, 145212494, 290424988]

約数ペア:

[(1, 290424988), (2, 145212494), (4, 72606247), (7, 41489284), (14, 20744642), (28, 10372321), (31, 9368548), (37, 7849324), (62, 4684274), (74, 3924662), (124, 2342137), (148, 1962331), (217, 1338364), (259, 1121332), (434, 669182), (518, 560666), (868, 334591), (1036, 280333), (1147, 253204), (2294, 126602), (4588, 63301), (8029, 36172), (9043, 32116), (16058, 18086)]