804588890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 1679097600

約数和(自身を除く): 874508710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 179, 314, 358, 409, 785, 818, 895, 1099, 1253, 1570, 1790, 2045, 2198, 2506, 2863, 4090, 5495, 5726, 6265, 10990, 12530, 14315, 28103, 28630, 56206, 64213, 73211, 128426, 140515, 146422, 196721, 281030, 321065, 366055, 393442, 449491, 512477, 642130, 732110, 898982, 983605, 1024954, 1967210, 2247455, 2562385, 4494910, 5124770, 11494127, 22988254, 57470635, 80458889, 114941270, 160917778, 402294445, 804588890]

約数ペア:

[(1, 804588890), (2, 402294445), (5, 160917778), (7, 114941270), (10, 80458889), (14, 57470635), (35, 22988254), (70, 11494127), (157, 5124770), (179, 4494910), (314, 2562385), (358, 2247455), (409, 1967210), (785, 1024954), (818, 983605), (895, 898982), (1099, 732110), (1253, 642130), (1570, 512477), (1790, 449491), (2045, 393442), (2198, 366055), (2506, 321065), (2863, 281030), (4090, 196721), (5495, 146422), (5726, 140515), (6265, 128426), (10990, 73211), (12530, 64213), (14315, 56206), (28103, 28630)]