90021008

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 220164480

約数和(自身を除く): 130143472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 89, 112, 154, 176, 178, 308, 356, 616, 623, 712, 821, 979, 1232, 1246, 1424, 1642, 1958, 2492, 3284, 3916, 4984, 5747, 6568, 6853, 7832, 9031, 9968, 11494, 13136, 13706, 15664, 18062, 22988, 27412, 36124, 45976, 54824, 63217, 72248, 73069, 91952, 109648, 126434, 144496, 146138, 252868, 292276, 505736, 511483, 584552, 803759, 1011472, 1022966, 1169104, 1607518, 2045932, 3215036, 4091864, 5626313, 6430072, 8183728, 11252626, 12860144, 22505252, 45010504, 90021008]

約数ペア:

[(1, 90021008), (2, 45010504), (4, 22505252), (7, 12860144), (8, 11252626), (11, 8183728), (14, 6430072), (16, 5626313), (22, 4091864), (28, 3215036), (44, 2045932), (56, 1607518), (77, 1169104), (88, 1022966), (89, 1011472), (112, 803759), (154, 584552), (176, 511483), (178, 505736), (308, 292276), (356, 252868), (616, 146138), (623, 144496), (712, 126434), (821, 109648), (979, 91952), (1232, 73069), (1246, 72248), (1424, 63217), (1642, 54824), (1958, 45976), (2492, 36124), (3284, 27412), (3916, 22988), (4984, 18062), (5747, 15664), (6568, 13706), (6853, 13136), (7832, 11494), (9031, 9968)]